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Pure Aluminum Powder

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Pure Aluminum Powder

Product Pure Aluminum Powder
CAS No. 7429-90-5
Appearance Silvery White to Grayish Powder
Purity ≥99%,  ≥99.9%,  ≥95%(Other purities are also available)
APS 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range.
Ingredient Al
Density 2.7g/cm3
Molecular Weight 26.98g/mol
Product Codes NCZ-DCY-313/25

Pure Aluminum Description:

Pure Aluminum Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing

Aluminum Powder Related Information :

Storage Conditions:

Airtight sealed, avoid light and keep dry at room temperature.

Please contact us for customization and price inquiry

Email: contact@nanochemazone.com

Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters.

Pure aluminum powder

Pure aluminum powder contains 99% or higher aluminum content. It provides low density combined with good ductility, conductivity, and corrosion resistance.

Overview of Pure Aluminum Powder

Pure aluminum powder contains 99% or higher aluminum content. It provides low density combined with good ductility, conductivity, and corrosion resistance.

Key properties and advantages of pure aluminum powder include:

Pure Aluminum Powder Properties and Characteristics

Properties Details
Composition 99% or higher Al content
Density 2.7 g/cc
Particle shape Spherical, irregular
Size range 1-150 microns
Apparent density Up to 50% of true density
Conductivity Excellent electrical and thermal conductivity
Corrosion resistance Good due to protective oxide layer

Pure aluminum powder is suitable for applications like thermite welding, diamond tools, conductive coatings, pyrotechnics, and metal injection molding.

Pure Aluminum Powder Composition

Typical composition of pure aluminum powder:

Pure Aluminum Powder Composition

Element Weight %
Aluminum (Al) 99% min
Silicon (Si) 0.5% max
Iron (Fe) 0.5% max
Copper (Cu) 0.05% max
Manganese (Mn) 0.05% max
Magnesium (Mg) 0.05% max
Other impurities 0.05% max

Aluminum provides low density, ductility and conductivity

Impurity levels of other elements are carefully controlled

High aluminum purity provides optimal electrical and thermal conductivity

Pure Aluminum Powder Physical Properties

Property Values
Density 2.7 g/cc
Melting point 660°C
Thermal conductivity 237 W/mK
Electrical resistivity 2.65 μΩ-cm
CTE 23.1 x 10^-6 /K
Reflectivity 87% at 400 nm wavelength

Very low density compared to most metals

High reflectivity and thermal conductivity

Low electrical resistivity provides high conductivity

Relatively high CTE necessitates design considerations

Maintains strength up to moderately high temperatures

The properties make pure aluminum suitable for lightweight applications needing electrical/thermal conductivity.

Pure Aluminum Powder Mechanical Properties

Property Values
Tensile strength 90-100 MPa
Yield strength 35-45 MPa
Elongation 35-40%
Hardness 25-35 HB
Fatigue strength 50-90 MPa
Shear strength 60-65 MPa

Relatively low tensile and yield strength

Very high elongation provides excellent ductility

Low hardness compared to most metals

High fatigue strength suited for cyclic loading

Properties can be enhanced through alloying additions

The properties make pure aluminum suitable for soft, ductile applications requiring conductivity and formability.

Pure Aluminum Powder Applications

Industry Uses
Thermite welding Rail welding, metal joining
Additive manufacturing Low strength components
Explosives and pyrotechnics Thermite compositions
Powder coatings Conductive and resistant coatings
Diamond tools Metal matrix with diamond particles
Fireworks Fuel and pyrotechnic compositions

Some specific product uses:

Thermite mixtures for in-situ metal joining and welding

Low melting point casting alloys

Electrically conductive coatings and RF shielding

Aluminum-diamond tools for stone cutting

Flash powder and pyrotechnic compositions

Metal injection molding of non-structural parts

The ductility, conductivity and reactivity make pure aluminum suitable for these niche applications.

Pure Aluminum Powder Specifications

Standard Description
ASTM B787 Standard for pure aluminum powders
ASTM B859 Specs for aluminum and aluminum alloy powders
DIN 1718-1 Designation system for aluminum and aluminum alloys
GJB320B Chinese military standard for aluminum and aluminum alloy powders

These define:

Minimum 99% aluminum content

Limits on impurities like Fe, Si

Powder characteristics like apparent density and particle size distribution

Approved production methods like atomization

Sampling and testing protocols

Meeting the standards ensures suitability for applications needing high purity aluminum powder.

Pure Aluminum Powder Particle Size Distribution

Size Characteristics
1-10 microns Ultrafine grade used in printing pastes
10-45 microns Fine grade suitable for coatings, pressing
45-150 microns Coarse grade offers better flowability

Finer sizes provide a smooth finish and high reactivity

Coarser powder has improved flow for automated processing

Both spherical and irregular particle shapes are available

Size distribution depends on targeted use

Controlling particle size distribution optimizes processing behavior, density, reactivity, and finish.

Pure Aluminum Powder Apparent Density

Apparent Density Details
Up to 50% of true density For irregular morphology powder
1.3-1.7 g/cc Higher for spherical powder

Spherical powder shape provides higher apparent density

Irregular particles have lower density around 30-40%

Higher density improves powder flow and compactibility

Values up to 60% are possible with optimized spherical powder

Higher apparent density leads to better manufacturing productivity and part quality.

Pure Aluminum Powder Production

Method Details
Atomization Molten aluminum stream broken into fine droplets that solidify into powder
Ball milling Mechanical milling classifies coarse powder into fine powder
Annealing Removes internal stresses and improves powder compressibility
Sieving Classifies powder into different size fractions

Atomization allows large volume production with controlled particle sizes

Milling provides lower cost size reduction of coarse powder

Annealing and sieving provide customized powder sizes and shapes

Pure Aluminum Powder Handling and Storage

Recommendation Reason
Use proper ventilation Avoid concentrated dust environment
Employ grounding systems Prevent static discharge during handling
Limit moisture exposure Prevents oxidation of particles
Follow safe protocols Reduce health and fire hazards
Avoid ignition sources Flammable powder risk
Use non-sparking tools Prevent possibility of ignition

Storage Recommendations

Store in dry, inert sealed containers

Maintain storage temperatures below 27°C

Limit exposure to oxidizers like nitric acid

Proper precautions during handling and storage help preserve purity and prevent oxidation or ignition risks.

Pure Aluminum Powder Inspection and Testing

Test Details
Chemical analysis XRF or ICP testing verifies composition
Particle size distribution Laser diffraction analysis
Apparent density Hall flowmeter test per ASTM B212 standard
Powder morphology SEM imaging of particle shape
Flow rate analysis Gravity flow rate through specified funnel
Moisture measurement Loss on drying test

Testing ensures the powder meets the required purity levels, particle characteristics, density specifications, morphology and flowability per applicable standards.

Pure Aluminum Powder Pros and Cons

Advantages of Pure Aluminum Powder

Low density provides lightweight properties

Excellent electrical and thermal conductivity

Good corrosion resistance

High ductility and excellent formability

Recyclable and environmentally friendly

Cost-effective compared to other conductive powders

Limitations of Pure Aluminum Powder

Low strength limits load bearing structural applications

Moderate high temperature mechanical strength

Requires protective coatings in corrosive environments

Sensitive to contamination from moisture and other powders

Pyrophoric nature requires careful handling

Gradually oxidizes over time if uncoated

Comparison With Al-Mg Alloy Powder

Pure Al vs Al-Mg Alloy Powder

Parameter Pure Al Al-Mg
Density 2.7 g/cc 2.7 g/cc
Strength 90-100 MPa 150-220 MPa
Conductivity Excellent Good
Corrosion resistance Good Excellent
Cost Low High
Uses Thermite welding, pyrotechnics Structural components

Pure Al offers better conductivity and lower cost

Al-Mg alloy provides higher strength

Pure Al suited for electrical applications and pyrotechnics

Al-Mg preferred for structural lightweight components

Pure Aluminum Powder FAQs

Q: What are the main applications of pure aluminum powder?

A: Main applications include thermite welding, conductive coatings, pyrotechnic compositions, diamond tools, metal injection molding of non-structural parts, and low-melting casting alloys.

Q: What precautions should be taken when working with pure aluminum powder?

A: Recommended precautions include proper ventilation, avoiding ignition sources, explosion-proof equipment, grounding systems, non-sparking tools, protective gear, safe protocols, and inert storage sealed away from contaminants.

Q: How does pure aluminum powder differ from aluminum alloy powders?

A: Pure aluminum has 99% or higher Al content while alloy powders contain other elements like magnesium, silicon, zinc. Pure Al offers high conductivity but lower strength than alloys.

Q: What affects the properties of pure aluminum powder components?

A: Key factors are apparent density, particle size distribution, compaction pressure, sintering parameters, impurities, and final part porosity.

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Note: For pricing & ordering information, please get in touch with us at sales@nanochemazone.com
Please contact us for quotes on Larger Quantities and customization. E-mail: contact@nanochemazone.com

Customization:
If you are planning to order large quantities for your industrial and academic needs, please note that customization of parameters (such as size, length, purity, functionalities, etc.) is available upon request.

NOTE:
Images, pictures, colors, particle sizes, purity, packing, descriptions, and specifications for the real and actual goods may differ. These are only used on the website for the purposes of reference, advertising, and portrayal. Please contact us via email at sales@nanochemazone.com or by phone at (+1 780 612 4177) if you have any questions.

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Al 3203 Powder
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Al 3203 Powder

Product Al 3203 Powder
CAS No. 1344-28-1
Appearance White Powder
Purity ≥99%,  ≥99.9%,  ≥95%(Other purities are also available)
APS 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range.
Ingredient Al203
Density 3.95g/cm3
Molecular Weight 10.961g/mol
Product Codes NCZ-DCY-299/25

Al 3203 Description:

Al 3203 Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing

Al 3203 Powder Related Information :

Storage Conditions: Airtight sealed, avoid light and keep dry at room temperature. Please contact us for customization and price inquiry Email: contact@nanochemazone.com Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters. Al 3203 powder Al2O3 powder is an aluminum alloy composed of aluminum, copper, and manganese. It is renowned for its excellent strength and high fatigue resistance, making it an ideal choice for demanding environments and structural components. The precise composition and manufacturing process of Al 3203 powder ensure consistent quality and performance, making it a reliable material for numerous applications. Overview of Al2O3 Powder Al2O3 or aluminum oxide is a ceramic material known for its high hardness, excellent dielectric properties, refractoriness, abrasion and corrosion resistance. Alumina powder is the powder form of aluminum oxide used in a variety of applications. Key properties of Al2O3 powder include: High hardness and wear resistance High melting point of over 2000°C Low electrical and thermal conductivity Excellent thermal shock resistance Resistant to strong acids and alkalis Low density around 3.95 g/cm3 Chemically inert material White color powder available in various particle sizes Chemical Composition of Al2O3 Powder Al2O3 powder has the following chemical composition:
Compound Formula Weight %
Aluminum oxide Al2O3 99.5% min
Silicon dioxide SiO2 0.05% max
Iron oxide Fe2O3 0.08% max
Titanium dioxide TiO2 0.03% max
Sodium oxide Na2O 0.05% max
Magnesium oxide MgO 0.03% max
High purity Al2O3 powder contains over 99.5% aluminum oxide as the principal component. Maximum impurity limits are specified for silica, iron oxide, titania, and other oxides. Properties of Al2O3 Powder Al2O3 powder exhibits the following key properties:
Property Value
Melting point 2050°C
Density 3.95 g/cm3
Hardness 9 Mohs
Flexural strength 330 MPa
Compressive strength 2600 MPa
Porosity <1%
Thermal conductivity 30 W/m.K
Electrical resistivity >1014 ohm.cm
Dielectric strength 15-35 kV/mm
Water absorption 0%
Production Methods for Al2O3 Powder The common production methods for Al2O3 powder include: Bayer Process – Alumina trihydrate is extracted from bauxite ore and thermally converted to alumina powder. This process yields high purity powder. Hall–Héroult Process – Alumina is dissolved in molten cryolite and electrolyzed to produce aluminum. Alumina powder is recovered as a by-product. Calcination – Dehydration and calcination of various aluminum hydroxides to form alumina powder. Sol-gel – Alumina gel is formed from aluminum alkoxides or nitrates and then dried and calcined to make nanoscale alumina powder. Flame Pyrolysis – Vapor phase combustion of aluminum chloride produces ultrafine alumina powder. The Bayer process is the most common industrial method while the others yield specialty grade alumina. Applications of Al2O3 Powder Key applications of Al2O3 powder include: Abrasives – For grinding, sanding, polishing, blasting media due to its hardness. Refractories – High temperature furnace linings, ceramics, firebricks for metallurgy, glass, cement industries. Ceramics – Electrical, structural, biomedical applications using alumina ceramics. Catalysts – Gamma alumina used as catalyst support and directly as catalyst. Coatings – Thermal spray coatings for wear and corrosion protection. Polishing – CMP slurries for polishing silicon wafers, optic components, metals. Fillers – Added to plastics, rubber, paper to improve mechanical properties. Cosmetics – For manufacturing makeup, personal care products. Specifications of Al2O3 Powder Al2O3 powder is available under various purity levels, particle size distribution, and grades: Purity – From industrial (90%) to high purity (99.99%) grades based on impurity levels. Particle Size – Ranging from nanoscale (10-50 nm) to coarse grade (over 100 microns). Phases – Alpha, gamma, theta, delta phases have different properties. Grades – Conforming to standards for abrasives, technical ceramics, bioceramics, etc. Surface Area – For nanosized powder, surface area is 1-100 m2/g. Morphology – Regular and spherical shaped particles preferred. Applications – Powder customized for composites, 3D printing, other uses. Health and Safety When Handling Al2O3 Powder Al2O3 powder does not pose severe health and safety risks but standard precautions should be taken: Use dust masks or respirators to avoid inhaling fine particles during handling. Wear protective goggles and gloves while handling powder. Prevent skin contact to avoid drying and irritation. Avoid generating and breathing airborne dust. Ensure adequate ventilation. Handle and store powder carefully avoiding dispersion in air. Properly dispose of waste powder based on environmental regulations. Refer to Material Safety Data Sheet (MSDS) provided by the supplier for complete health hazard data. Inspection and Testing of Al2O3 Powder Key tests carried out for quality control of Al2O3 powder are: Chemical analysis using X-ray Fluorescence (XRF) or Inductively Coupled Plasma (ICP) techniques to ensure composition meets specifications. Particle size analysis through laser diffraction or dynamic light scattering method. Scanning Electron Microscopy (SEM) to examine particle morphology. Specific surface area measurement using gas absorption technique. X-ray diffraction (XRD) analysis to determine phases present. Impurity analysis for trace metallic elements using ICP mass spectrometry. Loss of mass on ignition when heated to 1000°C. Density measurement through pycnometry method. Thorough inspection and testing ensures the powder meets the quality and performance requirements of specific applications. Comparison Between α-Al2O3 and γ-Al2O3 Powder α-Al2O3 and γ-Al2O3 are two common phases of alumina powder compared here:
Parameter α-Al2O3 γ-Al2O3
Crystal structure Hexagonal Cubic
Density 3.95 g/cm3 3.65 g/cm3
Hardness 9 Mohs 8 Mohs
Melting point 2050°C ~1100°C
Thermal conductivity 30 W/m.K 5-10 W/m.K
Surface area <10 m2/g 100-300 m2/g
Applications Abrasives, ceramics Catalysts, adsorbents
Price Lower Higher
α-Al2O3 has higher hardness, density, thermal conductivity and refractoriness whereas γ-Al2O3 has higher surface area and extensively used in catalysts. α-form has wider applications and lower price. FAQs Q: What is Al2O3 powder used for? A: Al2O3 powder is used to manufacture abrasives, refractories, structural ceramics, ceramic coatings, polishing compounds, plastic & rubber fillers, and other applications due to its high hardness, strength, and corrosion resistance. Q: What is the difference between white, pink, and brown alumina powder? A: White alumina is high purity Al2O3. Pink and brown alumina contain small amounts of chromium and iron oxides respectively that impart color. White alumina is used when color contamination must be avoided. Q: Is Al2O3 powder hazardous? A: Al2O3 powder is generally not classified as a hazardous material but like all fine powders can cause irritation and breathing issues during handling. Use of proper PPE is recommended. Q: What is the difference between fused and sintered alumina powder? A: Fused alumina is produced by melting pure alumina whereas sintered type is made by compacting and firing alumina powder. Fused alumina has higher purity and density compared to sintered. Q: Where can I buy Al2O3 powder for making ceramic components? A: High purity fine alumina powder for ceramic applications can be purchased from leading supplier.
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AlMgScZr Powder
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AlMgScZr Powder

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AlMgScZr Powder

Product AlMgScZr Powder
CAS No. 7429-90-5
Appearance Gray Metallic Powder
Purity ≥99%,  ≥99.9%,  ≥95%(Other purities are also available)
APS 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range.
Ingredient Al-Mg-Sc-Zr
Density 2.7g/cm3
Molecular Weight N/A
Product Codes NCZ-DCY-304/25

AlMgScZr Description:

AlMgScZr Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing

AlMgScZr Powder Related Information :

Storage Conditions: Airtight sealed, avoid light and keep dry at room temperature. Please contact us for customization and price inquiry Email: contact@nanochemazone.com Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters. AlMgScZr Powder AlMgScZr powder is an aluminum alloy containing magnesium, scandium and zirconium as the main alloying elements. It exhibits excellent strength, weldability and corrosion resistance while maintaining the low density Overview of AlMgScZr Powder AlMgScZr powder is an aluminum alloy containing magnesium, scandium and zirconium as the main alloying elements. It exhibits excellent strength, weldability and corrosion resistance while maintaining the low density advantage of aluminum. Key properties and advantages of AlMgScZr powder include: AlMgScZr Powder Properties and Characteristics
Properties Details
Composition Al-Mg-Sc-Zr alloy
Density 2.7 g/cc
Particle shape Spherical
Size range 10-75 microns
Apparent density Up to 60% of true density
Flowability Excellent
Strength Very high for Al alloy powder
Weldability Excellent
AlMgScZr powder enables fabrication of lightweight structural and functional components across aerospace, automotive, and industrial sectors needing high specific strength. AlMgScZr Powder Composition Typical composition of AlMgScZr powder: AlMgScZr Powder Composition
Element Weight %
Aluminum Balance
Magnesium 0.2-1%
Scandium 0.2-0.7%
Zirconium 0.05-0.25%
Silicon 0.1% max
Iron 0.1% max
Copper 0.1% max
Aluminum forms the matrix providing low density Magnesium enhances strength through solid solution strengthening Scandium enables precipitation hardening for peak strength Zirconium promotes fine recrystallized grain structure Other elements present only as impurities advantage of aluminum. AlMgScZr Powder Physical Properties
Property Values
Density 2.7 g/cc
Melting point 640-655°C
Electrical resistivity 4.5-5.5 μΩ-cm
Thermal conductivity 150-180 W/mK
Thermal expansion 21-24 x 10^-6 /K
Maximum service temperature 250°C
Very low density compared to steels and titanium alloys Melting point is moderately high for an aluminum alloy High electrical and thermal conductivity Relatively high CTE necessitates design considerations Can be used for prolonged periods up to 250°C The properties make AlMgScZr well suited for lightweight structural applications across automotive, aerospace and other sectors. AlMgScZr Powder Mechanical Properties
Property Values
Yield strength 400-500 MPa
Tensile strength 480-570 MPa
Elongation 7-10%
Hardness 115-150 HB
Shear strength 330 MPa
Fracture toughness 29-35 MPa√m
Very high strength for an aluminum alloy Significantly stronger than other non heat-treatable Al alloys Reasonable ductility in peak aged condition Relatively high fracture toughness Strength can be tailored through aging treatment The properties make AlMgScZr an exceptional choice for structural parts needing high strength-to-weight ratio. AlMgScZr Powder Applications
Sector Uses
Aerospace Airframes, wings, fuselage skins
Automotive Chassis, suspension parts
Industrial Robot arms, lifting equipment
Additive manufacturing High performance components
Some specific product uses: Aircraft structural frames, bulkheads, wing spars Automotive transmission casings, engine blocks Industrial robot arms, lifting equipment Additive manufacturing of topology optimized components Electronic enclosures needing thermal management AlMgScZr provides maximum strength with minimum weight penalty across these critical applications. AlMgScZr Powder Specifications Key specifications for AlMgScZr powder include: AlMgScZr Powder Standards
Standard Description
ASTM B951 Standard for precipitation hardened aluminum alloys
DIN 1718 Aluminum and aluminum alloys designations
EN 586-2 Forgings for high strength structural applications
AMS 4413 Aluminum alloy powder compositions for additive manufacturing
These define: Chemical composition limits of AlMgScZr Required mechanical properties in peak aged condition Approved powder production method – inert gas atomization Impurity limits for elements like Fe Quality testing protocols Proper handling and storage Meeting certification requirements ensures optimal alloy performance. AlMgScZr Powder Particle Sizes
Particle Size Characteristics
10-25 microns Ultrafine powder used in laser AM processes
25-45 microns Common size range for laser bed and binder jetting
45-75 microns Larger sizes used in cold spraying
Finer powder provides higher resolution and surface finish Coarser powder suitable for high deposition rate processes Size range tailored based on AM production method used Spherical morphology maintained in all sizes Controlling particle size distribution and shape is critical for AM processing, packing density, and final part properties. AlMgScZr Powder Apparent Density
Apparent Density Details
Up to 60% of true density For spherical powder shape
1.5 – 1.7 g/cc Improves with greater packing density
Spherical morphology provides high apparent density Higher density improves powder flow and bed packing in AM Reduces entrapped gas porosity in final part Maximizing density minimizes press cycle time Higher apparent density results in better manufacturing productivity and part performance. AlMgScZr Powder Production Method
Method Details
Gas atomization High pressure inert gas breaks up molten metal stream into fine droplets
Vacuum induction melting High purity input materials melted in vacuum
Multiple remelting Improves chemical homogeneity
Sieving Classifies powder into different particle size fractions
Gas atomization with inert gas produces clean, spherical powder Vacuum processing minimizes gaseous impurities Multiple remelts improve uniformity of composition Post-processing provides particle size distribution control Fully automated methods combined with stringent quality control result in consistent AlMgScZr powder suitable for critical applications.
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AlSi10Mg Powder
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AlSi10Mg Powder

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AlSi10Mg Powder

Product AlSi10Mg Powder
CAS No. 7429-90-5
Appearance Fine Powder
Purity ≥99%,  ≥99.9%,  ≥95%(Other purities are also available)
APS 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range.
Ingredient AlS10Mg
Density 2.67-2.7g/cm3
Molecular Weight N/A
Product Codes NCZ-DCY-305/25

AlSi10Mg Description:

AlSi10Mg Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing

AlSi10Mg Powder Related Information :

Storage Conditions: Airtight sealed, avoid light and keep dry at room temperature. Please contact us for customization and price inquiry Email: contact@nanochemazone.com Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters. AlSi10Mg powder for SLM EBM 3D Printing AlSi10Mg powder is a composite material composed of aluminum (Al), silicon (Si), and magnesium (Mg). It is specifically designed for use in additive manufacturing processes, where it is used as a feedstock material for 3D printers.
Metal Powder Size Quantity Price/kg Size Quantity Price/kg
AlSi10Mg 15-45μm 1KG 70 15-53μm 1KG 51
10KG 42 10KG 33
100KG 34.6 100KG 23.5
AlSi10Mg Powder: A Technical Overview Overview of AlSi10Mg Powder AlSi10Mg is an aluminum alloy powder composed primarily of aluminum along with silicon and magnesium as the major alloying elements. It is widely used in metal additive manufacturing, also known as 3D printing, due to its excellent strength, durability, weldability, and corrosion resistance. AlSi10Mg powder can be processed through selective laser melting (SLM), electron beam melting (EBM), and direct metal laser sintering (DMLS) to create complex metal parts with fine details and custom geometries. Its properties make it suitable for aerospace, automotive, medical, and industrial applications. This article provides a comprehensive technical overview of AlSi10Mg powder covering its composition, properties, applications, pricing, suppliers, and other key information for materials engineers, product designers, and 3D printing professionals. AlSi10Mg Powder Key Details: Composition: Aluminum with 9-11% silicon, 0.2-0.45% magnesium Particle shape: Spherical, high flowability Size range: 15-45 microns Density: 2.67 g/cc Melting point: ~615°C Strength: Medium to high Uses: Aerospace, automotive, industrial 3D printing Composition of AlSi10Mg Powder The composition of AlSi10Mg powder consists mainly of aluminum with additions of silicon and magnesium as alloying elements. The nominal composition range is provided below:
Element Weight %
Aluminum (Al) Base/remainder
Silicon (Si) 9-11%
Magnesium (Mg) 0.2-0.45%
Other (Fe, Mn, etc.) < 0.55% total
Silicon is added to aluminum to improve castability and enhance mechanical properties like yield strength and hardness. It increases fluidity during melting and improves feeding characteristics. The addition of magnesium results in precipitation hardening which strengthens the alloy through heat treatment. Magnesium also improves corrosion resistance. Trace amounts of iron, manganese, and other elements may be present as impurities up to 0.55% maximum. The levels of alloying additions can be varied within range to tailor the properties as per application requirements. Nominal composition range of AlSi10Mg alloy powder
Element Minimum wt% Maximum wt%
Aluminum Bal. Bal.
Silicon 9 11
Magnesium 0.2 0.45
Other – 0.55
Properties of AlSi10Mg Powder AlSi10Mg exhibits properties making it suitable for demanding applications across aerospace, automotive, and industrial sectors. The key properties are highlighted below: Mechanical Properties High strength and hardness Good ductility in annealed state Excellent weldability High fatigue strength Physical Properties Density: 2.67 g/cc Melting point: ~615°C Thermal conductivity: 130 W/m-K Coefficient of thermal expansion: 21-24 x 10^-6 K^-1 Other Good corrosion resistance Excellent printability and surface finish Biocompatible per ISO 10993 and ASTM F67 Non-magnetic The density is comparable to aluminum alloys like AlSi12 and AlSi7Mg. The melting point is also similar to standard Al-Si casting alloys. These properties allow processing and consolidation via sintering and melting. Overview of key properties of AlSi10Mg powder
Property Typical Values
Density 2.67 g/cc
Melting Point ~615°C
Thermal Conductivity 130 W/m-K
Electrical Resistivity 4-8 x 10^-8 Ωm
Young’s Modulus 70-80 GPa
Poisson’s Ratio 0.33
Yield Strength 215-365 MPa
Tensile Strength 330-430 MPa
Elongation 8-10%
Hardness 80-100 Brinell
Note: Properties depend on precise composition, manufacturing method, build orientation, heat treatment etc. Values shown are typical or standard. The mechanical properties like high yield and tensile strength along with good ductility make AlSi10Mg suitable for high-performance parts across industries. The alloy can be age hardened to further enhance strength. Excellent corrosion resistance is achieved by silicon additions creating a protective oxide layer. Overall, AlSi10Mg provides a versatile combination of properties for metal AM. Applications of AlSi10Mg Powder The lightweight, strong, and printable characteristics of AlSi10Mg powder make it one of the most widely used alloys in additive manufacturing. Some typical applications include: Aerospace: Turbine blades, rocket nozzles, structural brackets, satellite components, UAV parts Automotive: Powertrain parts, pistons, turbochargers, heat exchangers Industrial: Robotics, tooling, jigs and fixtures, driveshafts Medical: Orthopedic implants, prosthetics, surgical instruments Other: Heat sinks, hydraulic manifolds, housings, cooling channels AlSi10Mg enables complex, optimized geometries that improve performance and efficiency in the above applications. The fine structures possible via 3D printing enhances heat transfer, fluid flow, and other properties. The excellent strength-to-weight ratio of AlSi10Mg reduces component weight while maintaining mechanical performance. This helps improve fuel economy in vehicles and lower launch costs in space applications.  Overview of AlSi10Mg applications across industries
Sector Typical Applications
Aerospace Turbine blades, structural brackets, rocket nozzles, satellites
Automotive Powertrain, pistons, turbochargers, heat exchangers
Industrial Robotics, tooling, jigs and fixtures
Medical Orthopedic implants, prosthetics
General Heat sinks, hydraulic manifolds, housings
AlSi10Mg is certified for aerospace applications meeting standards like AMS4967 and AMS4169. Extensive qualifications and testing validates its performance under extreme environments. The biocompatibility per ISO 10993 and ASTM F67 allows use in medical devices and implants. Overall, AlSi10Mg provides a versatile lightweight material solution for critical applications. Processability of AlSi10Mg Powder AlSi10Mg powder can be processed via major metal additive manufacturing methods like: Selective Laser Melting (SLM) Direct Metal Laser Sintering (DMLS) Electron Beam Melting (EBM) Laser-based Methods: SLM and DMLS use a high power laser to selectively fuse regions of a powder bed to build up parts layer-by-layer. The consolidated material has properties comparable to conventional aluminum alloys. SLM typically uses higher laser power for full melting. DMLS has lower power for sintering powder particles. Electron Beam Melting: EBM uses an electron beam as heat source to melt and fuse material. It can achieve higher build rates than laser processes since it fuses each layer rapidly. Material properties are similar to SLM and DMLS. Print Parameters: Typical SLM parameters – Laser power 175-350 W, Scan speed 700-1500 mm/s, Layer thickness 20-100 μm. For EBM – Beam power 3-7 kW, Scan speed 1000-2500 mm/s, Layer thickness 50-200 μm. Other methods: AlSi10Mg powder can also be used in binder jetting where a liquid binder is selectively deposited to form the shape. The “green” part is then sintered. Cold spray deposition is also possible. AM processes compatible with AlSi10Mg alloy powder
Process Heat Source Description
SLM Laser Selective laser melting
DMLS Laser Direct metal laser sintering
EBM Electron beam Electron beam melting
Binder jetting Liquid binder Binder printed, then sintered
Cold spray Kinetic Powder sprayed onto substrate
AlSi10Mg powder has high absorbance to the laser/electron beam, and excellent flow and packing density. This results in good spreadability across powder bed and efficient melting/sintering. The particle size and spherical morphology also plays a key role. Overall, AlSi10Mg offers excellent processability across PBF and related methods to fabricate complex geometries with good surface finish and feature resolution. Powder Characteristics and Quality AlSi10Mg powder used in AM processes exhibits the following characteristics: Spherical powder morphology with smooth surface Flowability with minimal agglomeration Apparent density ~1.2-1.6 g/cc Tap density ~2.2-2.7 g/cc Uniform composition distribution High purity with low internal porosity Controlled particle size distribution Particle shape: Spherical powder morphology provides good flow and spreadability across the powder bed. It results in uniform melting and material properties. Gas atomization is commonly used to achieve sphericity >90%. Flowability: Powders with high flowability spread evenly and pack densely on powder bed platforms. Flow rates of 23-27 s/50g through Hall funnel are typical. Particle size: The particle size distribution is generally 10-45 μm or 15-45 μm. Larger particles ~35-45 μm improve flow while smaller ones ~15-25 μm enhance density and resolution. Composition control: Tight control of composition within specification maximizes material performance. Uniform distribution of alloying elements is ensured. Purity: High purity with low porosity and inclusions prevents process defects. Oxygen content <1000 ppm. Typical characteristics and properties of AlSi10Mg powders
Parameter Typical Value Role
Particle shape Spherical >90% Flowability, density
Particle size (μm) 15-45 Density, resolution
Flow rate (s/50g) 23-27 Powder bed packing
Apparent density (g/cc) 1.2-1.6 Recyclability
Tap density (g/cc) 2.2-2.7 Green density
Purity >99.5% Defect reduction
Oxygen (ppm) <1000 Clean melting
Parameters like particle shape distribution (PSD) and Hausner ratio indicate powder quality. Strict control over gas atomization results in high batch-to-batch consistency. Powder is supplied with composition report and lot-specific certificates of analysis (COA). Choosing AlSi10Mg Powder Key considerations for choosing AlSi10Mg powder include: Application requirements: Performance needs like strength, hardness, ductility, fatigue life, etc. Applications may demand specific material certifications also. AM process variables: Matching particle size range, shape and distribution to the printer model, layer thickness, beam power and related parameters. Quality and consistency: Powder batches that reliably meet composition, purity, particle characteristics etc. are critical for production use. Availability and lead times: For prototype work availability of small quantities may be key while production needs bulk orders and stable long-term supply. Pricing: Price per kg will depend on quantity, shipment costs, supplier margins etc. Large OEM contracts get better pricing. Technical support: Manufacturers with strong technical expertise in metal powder production and AM can provide guidance on best powder options. Working with established suppliers and collaborating early in the AM part design process is advised when selecting AlSi10Mg powder. Pros and Cons of AlSi10Mg Powder Pros High strength with good ductility Excellent corrosion resistance Readily weldable and machinable Good thermal properties Widely qualified for aerospace use Biocompatible for medical implants Cons Lower yield strength than AlSi7Mg and AlSi12 alloys Susceptible to porosity defects during printing High reflectivity demands higher laser power Not optimal for high temperature applications >150°C More expensive than unalloyed aluminum powders Powder Production Methods for AlSi10Mg Powder in 3D Printing AlSi10Mg powder for 3D printing is typically produced through two main methods: Gas Atomization Gas atomization is a widely used technique for producing high-quality metal powders, including AlSi10Mg. In this process, a molten stream of AlSi10Mg alloy is injected into a pressurized chamber filled with an inert gas, such as nitrogen or argon. The high-pressure gas atomizes the molten metal into fine droplets, which then solidify into spherical powder particles. Plasma Atomization Plasma atomization is a similar process to gas atomization, but it utilizes a plasma torch instead of a pressurized gas stream. The plasma torch generates an extremely hot, ionized gas that atomizes the molten metal into even finer powder particles. This method is particularly suitable for producing powders with very small particle sizes. Equipment for AlSi10Mg Powder Production The production of AlSi10Mg powder for 3D printing involves specialized equipment, including: Melting Furnace: A high-temperature furnace is used to melt the AlSi10Mg alloy to the desired casting temperature. Atomization Chamber: This pressurized chamber houses the atomization nozzle and the inert gas or plasma torch for atomizing the molten metal. Powder Collection System: A system of filters and collectors captures the atomized powder particles and separates them from the gas stream. Powder Classification and Conditioning: The collected powder is classified and conditioned to ensure consistent particle size distribution and flowability. Additional Considerations Feedstock Material: The purity and composition of the feedstock AlSi10Mg alloy significantly impact the quality of the resulting powder. Atomization Parameters: The atomization parameters, such as gas pressure, plasma torch settings, and nozzle design, influence the particle size, morphology, and properties of the powder. Post-Processing: The powder may undergo further processing steps, such as sieving, heat treatment, or surface modification, to enhance its characteristics for specific 3D printing applications. FAQs What is the chemical composition of AlSi10Mg powder? The typical composition is aluminum base with 9-11% silicon and 0.2-0.45% magnesium. Remaining is other trace elements at <0.55% total. What is the density of AlSi10Mg and AlSi10Mg powder? The density is around 2.67 g/cc for both the bulk alloy and the powder form. What are the mechanical properties of AlSi10Mg parts made by AM? Printed AlSi10Mg has a tensile strength of 330-430 MPa, yield strength of 215-365 MPa, and elongation of 8-10% in the as-built condition. Heat treatment can further improve properties. What particle size is recommended for AlSi10Mg powder in AM? A particle size range of 15-45 microns is commonly used, though size distributions can be optimized for specific printers and layer thickness requirements. Can you machine/weld AlSi10Mg AM parts? Yes, AlSi10Mg parts made by 3D printing can be machined and welded via conventional methods after an appropriate stress relief heat treatment. Is AlSi10Mg powder reusable? AlSi10Mg powder can typically be recycled 5-10 times before a refresh is needed, depending on AM process and contamination levels.
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AlSi10Mg Powder

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AlSi10Mg Powder

Product AlSi10Mg  Powder
CAS No. 7429-90-5
Appearance Fine Powder
Purity ≥99%,  ≥99.9%,  ≥95%(Other purities are also available)
APS 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range.
Ingredient AlS10Mg
Density 2.67-2.7g/cm3
Molecular Weight N/A
Product Codes NCZ-DCY-305/25

AlSi10Mg Description:

AlSi10Mg Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing

AlSi10Mg Powder Related Information :

Storage Conditions: Airtight sealed, avoid light and keep dry at room temperature. Please contact us for customization and price inquiry Email: contact@nanochemazone.com Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters. AlSi10Mg powder for SLM EBM 3D Printing AlSi10Mg powder is a composite material composed of aluminum (Al), silicon (Si), and magnesium (Mg). It is specifically designed for use in additive manufacturing processes, where it is used as a feedstock material for 3D printers.
Metal Powder Size Quantity Price/kg Size Quantity Price/kg
AlSi10Mg 15-45μm 1KG 70 15-53μm 1KG 51
10KG 42 10KG 33
100KG 34.6 100KG 23.5
AlSi10Mg Powder: A Technical Overview Overview of AlSi10Mg Powder AlSi10Mg is an aluminum alloy powder composed primarily of aluminum along with silicon and magnesium as the major alloying elements. It is widely used in metal additive manufacturing, also known as 3D printing, due to its excellent strength, durability, weldability, and corrosion resistance. AlSi10Mg powder can be processed through selective laser melting (SLM), electron beam melting (EBM), and direct metal laser sintering (DMLS) to create complex metal parts with fine details and custom geometries. Its properties make it suitable for aerospace, automotive, medical, and industrial applications. This article provides a comprehensive technical overview of AlSi10Mg powder covering its composition, properties, applications, pricing, suppliers, and other key information for materials engineers, product designers, and 3D printing professionals. AlSi10Mg Powder Key Details: Composition: Aluminum with 9-11% silicon, 0.2-0.45% magnesium Particle shape: Spherical, high flowability Size range: 15-45 microns Density: 2.67 g/cc Melting point: ~615°C Strength: Medium to high Uses: Aerospace, automotive, industrial 3D printing Composition of AlSi10Mg Powder The composition of AlSi10Mg powder consists mainly of aluminum with additions of silicon and magnesium as alloying elements. The nominal composition range is provided below:
Element Weight %
Aluminum (Al) Base/remainder
Silicon (Si) 9-11%
Magnesium (Mg) 0.2-0.45%
Other (Fe, Mn, etc.) < 0.55% total
Silicon is added to aluminum to improve castability and enhance mechanical properties like yield strength and hardness. It increases fluidity during melting and improves feeding characteristics. The addition of magnesium results in precipitation hardening which strengthens the alloy through heat treatment. Magnesium also improves corrosion resistance. Trace amounts of iron, manganese, and other elements may be present as impurities up to 0.55% maximum. The levels of alloying additions can be varied within range to tailor the properties as per application requirements. Nominal composition range of AlSi10Mg alloy powder
Element Minimum wt% Maximum wt%
Aluminum Bal. Bal.
Silicon 9 11
Magnesium 0.2 0.45
Other – 0.55
Properties of AlSi10Mg Powder AlSi10Mg exhibits properties making it suitable for demanding applications across aerospace, automotive, and industrial sectors. The key properties are highlighted below: Mechanical Properties High strength and hardness Good ductility in annealed state Excellent weldability High fatigue strength Physical Properties Density: 2.67 g/cc Melting point: ~615°C Thermal conductivity: 130 W/m-K Coefficient of thermal expansion: 21-24 x 10^-6 K^-1 Other Good corrosion resistance Excellent printability and surface finish Biocompatible per ISO 10993 and ASTM F67 Non-magnetic The density is comparable to aluminum alloys like AlSi12 and AlSi7Mg. The melting point is also similar to standard Al-Si casting alloys. These properties allow processing and consolidation via sintering and melting. Overview of key properties of AlSi10Mg powder
Property Typical Values
Density 2.67 g/cc
Melting Point ~615°C
Thermal Conductivity 130 W/m-K
Electrical Resistivity 4-8 x 10^-8 Ωm
Young’s Modulus 70-80 GPa
Poisson’s Ratio 0.33
Yield Strength 215-365 MPa
Tensile Strength 330-430 MPa
Elongation 8-10%
Hardness 80-100 Brinell
Note: Properties depend on precise composition, manufacturing method, build orientation, heat treatment etc. Values shown are typical or standard. The mechanical properties like high yield and tensile strength along with good ductility make AlSi10Mg suitable for high-performance parts across industries. The alloy can be age hardened to further enhance strength. Excellent corrosion resistance is achieved by silicon additions creating a protective oxide layer. Overall, AlSi10Mg provides a versatile combination of properties for metal AM. Applications of AlSi10Mg Powder The lightweight, strong, and printable characteristics of AlSi10Mg powder make it one of the most widely used alloys in additive manufacturing. Some typical applications include: Aerospace: Turbine blades, rocket nozzles, structural brackets, satellite components, UAV parts Automotive: Powertrain parts, pistons, turbochargers, heat exchangers Industrial: Robotics, tooling, jigs and fixtures, driveshafts Medical: Orthopedic implants, prosthetics, surgical instruments Other: Heat sinks, hydraulic manifolds, housings, cooling channels AlSi10Mg enables complex, optimized geometries that improve performance and efficiency in the above applications. The fine structures possible via 3D printing enhances heat transfer, fluid flow, and other properties. The excellent strength-to-weight ratio of AlSi10Mg reduces component weight while maintaining mechanical performance. This helps improve fuel economy in vehicles and lower launch costs in space applications.  Overview of AlSi10Mg applications across industries
Sector Typical Applications
Aerospace Turbine blades, structural brackets, rocket nozzles, satellites
Automotive Powertrain, pistons, turbochargers, heat exchangers
Industrial Robotics, tooling, jigs and fixtures
Medical Orthopedic implants, prosthetics
General Heat sinks, hydraulic manifolds, housings
AlSi10Mg is certified for aerospace applications meeting standards like AMS4967 and AMS4169. Extensive qualifications and testing validates its performance under extreme environments. The biocompatibility per ISO 10993 and ASTM F67 allows use in medical devices and implants. Overall, AlSi10Mg provides a versatile lightweight material solution for critical applications. Processability of AlSi10Mg Powder AlSi10Mg powder can be processed via major metal additive manufacturing methods like: Selective Laser Melting (SLM) Direct Metal Laser Sintering (DMLS) Electron Beam Melting (EBM) Laser-based Methods: SLM and DMLS use a high power laser to selectively fuse regions of a powder bed to build up parts layer-by-layer. The consolidated material has properties comparable to conventional aluminum alloys. SLM typically uses higher laser power for full melting. DMLS has lower power for sintering powder particles. Electron Beam Melting: EBM uses an electron beam as heat source to melt and fuse material. It can achieve higher build rates than laser processes since it fuses each layer rapidly. Material properties are similar to SLM and DMLS. Print Parameters: Typical SLM parameters – Laser power 175-350 W, Scan speed 700-1500 mm/s, Layer thickness 20-100 μm. For EBM – Beam power 3-7 kW, Scan speed 1000-2500 mm/s, Layer thickness 50-200 μm. Other methods: AlSi10Mg powder can also be used in binder jetting where a liquid binder is selectively deposited to form the shape. The “green” part is then sintered. Cold spray deposition is also possible. AM processes compatible with AlSi10Mg alloy powder
Process Heat Source Description
SLM Laser Selective laser melting
DMLS Laser Direct metal laser sintering
EBM Electron beam Electron beam melting
Binder jetting Liquid binder Binder printed, then sintered
Cold spray Kinetic Powder sprayed onto substrate
AlSi10Mg powder has high absorbance to the laser/electron beam, and excellent flow and packing density. This results in good spreadability across powder bed and efficient melting/sintering. The particle size and spherical morphology also plays a key role. Overall, AlSi10Mg offers excellent processability across PBF and related methods to fabricate complex geometries with good surface finish and feature resolution. Powder Characteristics and Quality AlSi10Mg powder used in AM processes exhibits the following characteristics: Spherical powder morphology with smooth surface Flowability with minimal agglomeration Apparent density ~1.2-1.6 g/cc Tap density ~2.2-2.7 g/cc Uniform composition distribution High purity with low internal porosity Controlled particle size distribution Particle shape: Spherical powder morphology provides good flow and spreadability across the powder bed. It results in uniform melting and material properties. Gas atomization is commonly used to achieve sphericity >90%. Flowability: Powders with high flowability spread evenly and pack densely on powder bed platforms. Flow rates of 23-27 s/50g through Hall funnel are typical. Particle size: The particle size distribution is generally 10-45 μm or 15-45 μm. Larger particles ~35-45 μm improve flow while smaller ones ~15-25 μm enhance density and resolution. Composition control: Tight control of composition within specification maximizes material performance. Uniform distribution of alloying elements is ensured. Purity: High purity with low porosity and inclusions prevents process defects. Oxygen content <1000 ppm. Typical characteristics and properties of AlSi10Mg powders
Parameter Typical Value Role
Particle shape Spherical >90% Flowability, density
Particle size (μm) 15-45 Density, resolution
Flow rate (s/50g) 23-27 Powder bed packing
Apparent density (g/cc) 1.2-1.6 Recyclability
Tap density (g/cc) 2.2-2.7 Green density
Purity >99.5% Defect reduction
Oxygen (ppm) <1000 Clean melting
Parameters like particle shape distribution (PSD) and Hausner ratio indicate powder quality. Strict control over gas atomization results in high batch-to-batch consistency. Powder is supplied with composition report and lot-specific certificates of analysis (COA). Choosing AlSi10Mg Powder Key considerations for choosing AlSi10Mg powder include: Application requirements: Performance needs like strength, hardness, ductility, fatigue life, etc. Applications may demand specific material certifications also. AM process variables: Matching particle size range, shape and distribution to the printer model, layer thickness, beam power and related parameters. Quality and consistency: Powder batches that reliably meet composition, purity, particle characteristics etc. are critical for production use. Availability and lead times: For prototype work availability of small quantities may be key while production needs bulk orders and stable long-term supply. Pricing: Price per kg will depend on quantity, shipment costs, supplier margins etc. Large OEM contracts get better pricing. Technical support: Manufacturers with strong technical expertise in metal powder production and AM can provide guidance on best powder options. Working with established suppliers and collaborating early in the AM part design process is advised when selecting AlSi10Mg powder. Pros and Cons of AlSi10Mg Powder Pros High strength with good ductility Excellent corrosion resistance Readily weldable and machinable Good thermal properties Widely qualified for aerospace use Biocompatible for medical implants Cons Lower yield strength than AlSi7Mg and AlSi12 alloys Susceptible to porosity defects during printing High reflectivity demands higher laser power Not optimal for high temperature applications >150°C More expensive than unalloyed aluminum powders Powder Production Methods for AlSi10Mg Powder in 3D Printing AlSi10Mg powder for 3D printing is typically produced through two main methods: Gas Atomization Gas atomization is a widely used technique for producing high-quality metal powders, including AlSi10Mg. In this process, a molten stream of AlSi10Mg alloy is injected into a pressurized chamber filled with an inert gas, such as nitrogen or argon. The high-pressure gas atomizes the molten metal into fine droplets, which then solidify into spherical powder particles. Plasma Atomization Plasma atomization is a similar process to gas atomization, but it utilizes a plasma torch instead of a pressurized gas stream. The plasma torch generates an extremely hot, ionized gas that atomizes the molten metal into even finer powder particles. This method is particularly suitable for producing powders with very small particle sizes. Equipment for AlSi10Mg Powder Production The production of AlSi10Mg powder for 3D printing involves specialized equipment, including: Melting Furnace: A high-temperature furnace is used to melt the AlSi10Mg alloy to the desired casting temperature. Atomization Chamber: This pressurized chamber houses the atomization nozzle and the inert gas or plasma torch for atomizing the molten metal. Powder Collection System: A system of filters and collectors captures the atomized powder particles and separates them from the gas stream. Powder Classification and Conditioning: The collected powder is classified and conditioned to ensure consistent particle size distribution and flowability. Additional Considerations Feedstock Material: The purity and composition of the feedstock AlSi10Mg alloy significantly impact the quality of the resulting powder. Atomization Parameters: The atomization parameters, such as gas pressure, plasma torch settings, and nozzle design, influence the particle size, morphology, and properties of the powder. Post-Processing: The powder may undergo further processing steps, such as sieving, heat treatment, or surface modification, to enhance its characteristics for specific 3D printing applications. FAQs What is the chemical composition of AlSi10Mg powder? The typical composition is aluminum base with 9-11% silicon and 0.2-0.45% magnesium. Remaining is other trace elements at <0.55% total. What is the density of AlSi10Mg and AlSi10Mg powder? The density is around 2.67 g/cc for both the bulk alloy and the powder form. What are the mechanical properties of AlSi10Mg parts made by AM? Printed AlSi10Mg has a tensile strength of 330-430 MPa, yield strength of 215-365 MPa, and elongation of 8-10% in the as-built condition. Heat treatment can further improve properties. What particle size is recommended for AlSi10Mg powder in AM? A particle size range of 15-45 microns is commonly used, though size distributions can be optimized for specific printers and layer thickness requirements. you machine/weld AlSi10Mg AM parts? Yes, AlSi10Mg parts made by 3D printing can be machined and welded via conventional methods after an appropriate stress relief heat treatment. Is AlSi10Mg powder reusable? AlSi10Mg powder can typically be recycled 5-10 times before a refresh is needed, depending on AM process and contamination levels.
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AlSi50 Powder
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AlSi50 Powder

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AlSi50 Powder

Product AlSi50 Powder
CAS No. N/A
Appearance  White Metal Powder
Purity ≥99%,  ≥99.9%,  ≥95%(Other purities are also available)
APS 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range.
Ingredient AlSi
Density 2.7g/cm3
Molecular Weight N/A
Product Codes NCZ-DCY-307/25

AlSi50 Description:

AlSi50 Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing

AlSi50 Powder Related Information :

Storage Conditions: Airtight sealed, avoid light and keep dry at room temperature. Please contact us for customization and price inquiry Email: contact@nanochemazone.com Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters. AlSi50 Powder AlSi50 is an aluminum-silicon alloy powder containing 50% silicon and remainder aluminum. It offers an exceptional combination of properties like low density, high fluidity, low thermal expansion, high specific strength, and corrosion resistance. AlSi50 is an aluminum-silicon alloy powder containing 50% silicon and remainder aluminum. It offers an exceptional combination of properties like low density, high fluidity, low thermal expansion, high specific strength, and corrosion resistance. AlSi50 Powder Composition The typical composition of AlSi50 alloy powder is:
Element Composition
Aluminum (Al) Balance
Silicon (Si) 48-52%
Aluminum forms the matrix providing ductility, toughness and corrosion resistance. Silicon increases hardness, fluidity and reduces the coefficient of thermal expansion. The high 50% silicon content results in a eutectic composition with the lowest possible melting point and excellent castability. Strict control of the Al to Si ratio is critical. Properties of AlSi50 Powder AlSi50 powder possesses a unique mix of properties making it suitable for high performance applications:
Property Value
Density 2.55 g/cm3
Melting Point 577°C
Ultimate Tensile Strength 200-300 MPa
Elongation <1%
Hardness 100-120 HB
Thermal Conductivity 50-90 W/m-K
CTE 12-15 x 10<sup>-6</sup>/°C
Young’s Modulus 80-90 GPa
Corrosion Resistance Excellent
Low density – Up to 40% lower than titanium alloys and steels. High fluidity when molten – Enables excellent castability and mold filling. High strength-to-weight ratio – Specific strength comparable to titanium alloys. Low coefficient of thermal expansion – Dimensions remain stable over a wide temperature range. Excellent corrosion resistance – Protective oxide layer prevents corrosion in most environments. Good thermal conductivity – Twice that of titanium alloys allowing efficient heat dissipation. This unique property profile makes AlSi50 suitable for applications where low mass, precision, stability, and strength are critical. Applications of AlSi50 Powder The key properties of AlSi50 powder make it ideal for:
Applications Benefits
Automotive components Low density and excellent castability.
Aerospace parts High specific strength, stable dimensions.
Electronic substrates Thermal management, CTE match with ceramics.
Mirror blanks Low density, machinability, stability.
Medical implants Biocompatible, non-toxic, corrosion resistant.
Automotive – Used in pistons, engine blocks, drivetrain parts to reduce weight and improve fuel efficiency. Aerospace – Ideal for precision aerospace components like actuators and turbocharger wheels requiring highest strength-to-weight. Electronics – Substrates for PCBs, IC packages to manage thermal loads while matching expansion behavior of ceramics. Optics – Mirror blanks, telescopes benefit from high dimensional stability and machinability. Medical – Excellent biocompatibility and corrosion resistance for implants like orthopedic devices AlSi50 Powder Specifications AlSi50 powder is available in various size fractions, shapes, and purity levels:
Parameter Options
Particle size 10 – 150 microns
Particle shape Irregular, spherical
Apparent density Up to 2.7 g/cm3
Flow rate Up to 25 s/50g
Purity Up to 99.7%
Alloy variants AlSi40, AlSi30
Smaller particles promote higher sintered density while large particles improve flowability. Spherical morphology enhances powder flow compared to irregular particles. Higher apparent density increases effective loading in composites manufacturing. Faster flow rates improve ease of powder handling and processing. High purity grades minimize contamination issues. Aluminum-silicon alloys with 30-40% silicon also available. Powder attributes can be customized based on specific application requirements and processing methods. Consolidation Methods for AlSi50 Powder AlSi50 powder can be transformed into full density components using techniques like:
Method Details
Additive manufacturing Excellent geometric freedom for complex shapes.
Metal injection molding High precision net shape capability.
Press and sinter Economical for higher volume simpler shapes.
Casting Leverages excellent fluidity and mold filling behavior.
Extrusion For profiles, rods and tubes.
Powder bed fusion AM techniques like selective laser melting are ideal for low volume complex parts. Metal injection molding offers closest tolerances and surface finish. Pressing followed by liquid phase sintering is commonly used but secondary processing needed. Investment casting provides higher productivity for simpler geometries. Extrusion is suitable for continuous production of bars, rods and tubes. The consolidation method strongly influences final properties, microstructure and cost economics. Heat Treatment of AlSi50 Parts The following heat treatments can be used to modify AlSi50 properties:
Heat Treatment Details Purpose
Solution heat treatment 500-550°C, quench Dissolve soluble phases
Artificial aging 150-180°C, 5-10 hrs Precipitation hardening
Stress relieving 250°C, 2 hrs Remove residual stresses
Solution treatment dissolves silicon particles in the aluminum matrix followed by rapid cooling. Subsequent aging causes silicon to re-precipitate as fine dispersoids imparting strengthening. Low temperature stress relieving helps reduce residual stresses from prior shaping steps. Proper heat treatment allows customizing the strength, hardness and ductility as per application requirements. Comparison of AlSi50 Powder with Alternatives Here is how AlSi50 compares to other eutectic aluminum-silicon alloys:
Alloy AlSi50 AlSi40 AlSi30
Fluidity Highest High Medium
Castability Excellent Very Good Good
Hardness High Medium Low
Strength High Medium Low
Thermal Conductivity Medium High Highest
CTE Low Medium High
Cost High Medium Low
AlSi40 offers the best all-round combination of fluidity, strength and thermal conductivity. AlSi30 provides highest thermal conductivity but lowest strength and fluidity. AlSi50 has the highest fluidity, hardness and strength but lower thermal conductivity. AlSi50 is preferred where maximum castability, dimensional stability, and high specific strength are critical. AlSi50 Powder Manufacturers As a specialty alloy powder, AlSi50 is produced by a range of suppliers globally:
Manufacturer Country
Binder Metals Germany
CNPC Powder China
Sandvik Osprey UK
Rio Tinto Metal Powders Canada
Valimet Inc USA
ASK Chemicals USA
Reputable manufacturers have stringent quality control and conform to international standards for composition, particle size distribution, apparent density and impurity levels. Health and Safety Considerations for AlSi50 Powder Like any metal powder, AlSi50 powder requires safe handling:
Hazard Precautions PPE
Skin/eye contact Avoid direct contact. Rinse if exposed. Gloves, goggles
Inhalation Avoid breathing dust. Ensure ventilation. Respirator
Ingestion Avoid hand-mouth transfer. Wash hands. –
Fire Use sand. Do not use water. Protective gear
Wear gloves, goggles, mask when handling powder. Avoid skin contact. Wash after exposure. Store in cool, dry place away from sparks, flames. Ensure proper ventilation and dust collection. Refer SDS and local regulations for complete guidelines. With proper precautions and PPE, AlSi50 powder can be safely handled. Inspection and Testing of AlSi50 Powder To ensure quality specifications are met, AlSi50 powder should undergo:
Parameter Method Specification
Chemical composition OES, XRF, wet chemistry Conformance to Al and Si content
Particle size distribution Laser diffraction, sieving D10, D50, D90 within range
Powder morphology SEM imaging Shape and flow characteristics
Apparent density Hall flowmeter test Minimum specified density
Flow rate Hall flowmeter test Maximum seconds for 50g flow
Impurity levels ICP or LECO analysis Low oxygen, moisture content
Testing should be done periodically as per ASTM standards to ensure consistency in production quality and performance in end-use applications. FAQs What is AlSi50 used for? AlSi50 is ideal for applications like automotive components, aerospace parts, and electronic substrates where low mass, dimensional stability, and high fluidity are critical. Does AlSi50 require heat treatment? Optional heat treatment including solutionizing and aging can be done to enhance strength by precipitating silicon particles in the microstructure. What methods can consolidate AlSi50 powder? AlSi50 powder can be consolidated to full density using metal injection molding, casting, additive manufacturing via SLM/EBM, extrusion, and sintering. Is AlSi50 readily weldable? AlSi50 has relatively poor weldability owing to high silicon content. Special filler material and techniques are required for welding this alloy. Is AlSi50 powder safe to handle? Like any fine metal powder, standard safety precautions must be taken when handling AlSi50 powder to minimize health and safety risks.
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AlSi7Mg Powder
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AlSi7Mg Powder

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AlSi7Mg Powder

Product AlSi7Mg Powder
CAS No. N/A
Appearance Gray Powder
Purity ≥99%,  ≥99.9%,  ≥95%(Other purities are also available)
APS 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range.
Ingredient Al-7Si-0.3Mg
Density 2.68g/cm3
Molecular Weight N/A
Product Codes NCZ-DCY-306/25

AlSi7Mg Description:

AlSi50 Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing

AlSi7Mg Powder Related Information :

Storage Conditions: Airtight sealed, avoid light and keep dry at room temperature. Please contact us for customization and price inquiry Email: contact@nanochemazone.com Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters. AlSi7Mg powder AlSi7Mg powder is an aluminum alloy powder that primarily consists of aluminum (Al), silicon (Si), and magnesium (Mg). The “7” in its name signifies the percentage of silicon, while “Mg” represents the magnesium content. This powder exhibits excellent strength, low density, and impressive thermal properties, making it a preferred choice in multiple industries. Overview of AlSi7Mg Powder AlSi7Mg or A357 alloy is a versatile foundry alloy that possesses properties between pure aluminum and high-silicon hypereutectic alloys. The silicon additions improve castability and enhance mechanical properties while magnesium improves strength. Key characteristics of AlSi7Mg powder include: Good strength and hardness Excellent fluidity and castability Good machinability and polishability High thermal conductivity Good corrosion resistance Low coefficient of thermal expansion Available in range of particle sizes AlSi7Mg powder is used for producing automotive components, hydraulic parts, and other precision castings needing balanced properties. Chemical Composition of AlSi7Mg Powder The typical chemical composition of AlSi7Mg powder is:
Element Weight %
Aluminum (Al) Balance
Silicon (Si) 6-8%
Magnesium (Mg) 0.4-0.8%
Iron (Fe) 0.15-0.5%
Manganese (Mn) 0.1% max
Copper (Cu) 0.1% max
Zinc (Zn) 0.1% max
Titanium (Ti) 0.25% max
Properties of AlSi7Mg Powder AlSi7Mg powder possesses the following properties:
Property Value
Density 2.68 g/cm3
Melting Point ~600°C
Thermal Conductivity 130-160 W/mK
Electrical Resistivity 3-5 μΩ.cm
Young’s Modulus 70-80 GPa
Poisson’s Ratio 0.33
Tensile Strength 250-300 MPa
Yield Strength 140-180 MPa
Elongation 4-8%
Hardness 80-100 Brinell
The silicon additions increase the strength while retaining good ductility and machinability. The alloy has excellent castability and thermal properties. Production Method of AlSi7Mg Powder Commercial production processes used for AlSi7Mg powder include: Gas Atomization – Molten alloy stream broken into fine droplets by inert gas jets. Produces spherical powder. Water Atomization – High pressure water jet impacts molten metal to yield fine powders. Cost effective but higher oxygen pickup. Mechanical Alloying – Ball milling of aluminum and silicon powders followed by cold compaction and sintering. Gas atomization provides the most control over powder characteristics like particle size distribution, morphology, and microstructure. Applications of AlSi7Mg Powder The key applications of AlSi7Mg powder include: Metal Injection Molding – To manufacture small intricate parts with tight tolerances and good mechanical properties. Additive Manufacturing – Used in binder jetting, laser melting and other AM processes to produce complex components. Castings – Added to melts to improve fluidity. Used to manufacture automotive parts requiring durability. Powder Metallurgy – Press and sinter process to create high performance parts. Thermal Spraying – Deposited as protective coatings on metal surfaces to provide wear and corrosion resistance. Welding Filler – For joining aluminum components while retaining weld strength. Pyrotechnics – Added to pyrotechnic compositions as a fuel constituent. Specifications of AlSi7Mg Powder AlSi7Mg powder is available under different size ranges, grades and purity levels: Particle Size: From 10 – 150 microns for AM, under 45 microns for MIM. Morphology: Spherical, granular and irregular particle shapes. Smooth powder flows better. Purity: From commercial to high purity (99.9%) grades. Oxygen Content: Levels range from 400 – 1500 ppm for different production methods. Flowability: Powder customized for excellent flow rates of 25 s/50 g or better. Grades: Custom alloy chemistry and powder characteristics offered. Handling and Storage of AlSi7Mg Powder AlSi7Mg powder should be properly handled and stored to prevent: Moisture contact leading to oxidation Fire hazards from dust accumulation Health hazards from inhaling fine powders Safety practices recommended by supplier should be followed Sealed containers under inert atmosphere along with proper grounding and PPE is recommended. Testing and Characterization Methods Key test methods for AlSi7Mg powder include: Chemical analysis using OES or XRF for composition Particle size distribution as per ASTM B822 standard Morphology analysis through SEM Flow rate measurement using Hall flowmeter Density determination by helium pycnometry Impurity levels tested by ICP-MS Microstructure examined by XRD phase analysis Thorough testing ensures powder quality for application requirements is met. Comparison of AlSi7Mg and AlSi10Mg Powders AlSi7Mg and AlSi10Mg are two aluminum alloy powders compared:
Parameter AlSi7Mg AlSi10Mg
Silicon content 6-8% 9-11%
Strength Lower Higher
Castability Comparable Comparable
Corrosion resistance Good Excellent
Cost Lower Higher
Applications Castings, MIM Aerospace, AM parts
Availability Readily available Moderate
AlSi10Mg offers higher strength but at increased cost. AlSi7Mg provides well-balanced properties at lower cost where high strength is not critical. AlSi7Mg Powder FAQs Q: How is AlSi7Mg powder produced? A: AlSi7Mg powder is commercially produced using gas atomization, water atomization, or mechanical alloying followed by sintering. Gas atomization offers better control over particle characteristics. Q: What are the main applications for AlSi7Mg powder? A: The key applications for AlSi7Mg powder include metal injection molding, aluminum die casting, additive manufacturing, powder metallurgy, thermal spray coatings, and filler welding wire. Q: What is the typical particle size used for AlSi7Mg powder in AM? A: For most metal 3D printing processes like DMLS and binder jetting, the common particle size range for AlSi7Mg powder is 20-45 microns. Q: Does AlSi7Mg powder require any special handling precautions? A: Yes, it is recommended to handle aluminum powders under inert atmosphere using proper grounding, ventilation, and PPE to prevent fire and explosion hazards. Q: Where can I buy AlSi7Mg powder suitable for making precision castings? A: Leading powder suppliers like Nanochemazone provide AlSi7Mg powder suitable for foundry applications like precision castings.
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Aluminum Alloy Powder
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Aluminum Alloy Powder

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Aluminum Alloy Powder

Product Aluminum Alloy Powder
CAS No. 7429-90-5
Appearance Silvery-White Powder
Purity ≥99%,  ≥99.9%,  ≥95%(Other purities are also available)
APS 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range.
Ingredient Al
Density 2.6-2.8g/cm3
Molecular Weight 26.98g/mol
Product Codes NCZ-DCY-310/25

Aluminum Alloy Description:

Aluminum Alloy Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing Aluminum Alloy Powder Related Information : Storage Conditions: Airtight sealed, avoid light and keep dry at room temperature. Please contact us for customization and price inquiry Email: contact@nanochemazone.com Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters. Aluminum alloy series The aluminum alloy family is a family of materials with a variety of unique properties and areas of application. Their characteristics mainly depend on the alloying elements contained in them and their proportions. These ranges offer a wide range of opportunities to meet the needs of different industries. Let’s explore the features and typical applications of each series to better understand how to choose the best aluminum alloy material for your project.
Product Specification Apparent Density Flow Ability Oxygen Content Tensile Strength Yield Strength Elongation
AISi10Mg 15-53µm 45-105µm 75-150µm ≥1.35g/cm³ ≤80s/50g ≤300ppm 300±20Mpa 200±20Mpa 20±2%
AMgScZr ≥1.30g/cm³ ≤80s/50g ≤300ppm 545±20Mpa 500±20Mpa 10±2%
AK400 (can be anodized) ≥1.30g/cm³ ≤80s/50g ≤300ppm 430±20Mpa 300±20Mpa 10±2%
Pure aluminum powder (purity 99.8%) ≥1.20g/cm³ ≤100s/50g ≤1000ppm \ \
Process: Vacuum air atomization method Advantages: low satellite powder/hollow powder ratio, good fluidity, high sphericity, and high bulk density. Printed finished parts have high corrosion resistance, low density and mechanical strength High degree of heat treatment, requiring less heat treatment than castings Application: 3D printing lightweight, brackets and other structural parts, heat dissipation components, etc. in aerospace, automobile manufacturing and other industries Packaging: aluminum foil bags/plastic bottles/iron drums and other ordinary packaging or vacuum packaging, etc.
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Pure Aluminum Powder
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Pure Aluminum Powder

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Pure Aluminum Powder

Product Pure Aluminum Powder
CAS No. 7429-90-5
Appearance Silvery White to Grayish Powder
Purity ≥99%,  ≥99.9%,  ≥95%(Other purities are also available)
APS 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range.
Ingredient Al
Density 2.7g/cm3
Molecular Weight 26.98g/mol
Product Codes NCZ-DCY-311/25

Pure Aluminum Description:

Pure Aluminum Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing

Aluminum Powder Related Information :

Storage Conditions: Airtight sealed, avoid light and keep dry at room temperature. Please contact us for customization and price inquiry Email: contact@nanochemazone.com Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters. Pure Aluminum Powder Pure aluminum powder refers to aluminum powder produced from just aluminum without the addition of other alloying elements. It exhibits low density, high thermal and electrical conductivity, ductility, excellent cOverview of Pure Aluminum Powder Pure aluminum powder refers to aluminum powder produced from just aluminum without the addition of other alloying elements. It exhibits low density, high thermal and electrical conductivity, ductility, excellent corrosion resistance, and reflectivity. Key features of pure aluminum powder include: Unalloyed aluminum with 99%+ purity Highly reactive with high affinity to oxygen Low melting point and excellent thermal conductivity Lightweight with density around 2.7 g/cc Soft and ductile for deformation processing Available in various particle sizes and morphologies Pure aluminum powder is used for protective coatings, pyrotechnic compositions, fuel additives, 3D printing, and other applications requiring pure aluminum properties. This article provides a comprehensive overview of properties, production methods, applications, specifications, and other details of pure aluminum powder. Composition of Pure Aluminum Powder Pure aluminum powder has the following typical composition:
Element Weight %
Aluminum (Al) 99%+
Iron (Fe) 0.35% max
Silicon (Si) 0.10% max
Copper (Cu) 0.05% max
Zinc (Zn) 0.07% max
Manganese (Mn) 0.03% max
Magnesium (Mg) 0.03% max
Chromium (Cr) 0.03% max
Others (each) 0.03% max
Others (total) 0.10% max
Properties of Pure Aluminum Powder Pure aluminum powder exhibits the following properties:
Property Value
Density 2.70 g/cm3
Melting Point 660°C
Thermal Conductivity 237 W/m.K
Electrical Resistivity 2.65 microhm-cm
Young’s Modulus 70 GPa
Poisson’s Ratio 0.33
Tensile Strength 90-115 MPa
Elongation 8-25%
Mohs Hardness 2.75
Oxidation Resistance Poor
The low density and softness of aluminum powder make it easy to handle and process for various applications. It has excellent thermal and electrical conductivity. Oxidation resistance is poor and powders require protection from oxidation during storage and use. Production Methods for Pure Aluminum Powder There are different production processes used to make pure aluminum powder: Atomization – Molten aluminum is broken into droplets using gas or water jets which solidify into powder. Gas atomized powder has spherical morphology. Electrolysis – Aluminum is deposited in powder form from alumina electrolyte. Powder is spongy and irregular shaped. Milling – Ball milling of aluminum flakes produces flake powders of various sizes and morphologies. Chemical Methods – Reactions of aluminum compounds produce fine aluminum powders of high purity. Atomization is the most common method while special techniques are used for ultrafine or nanoscale aluminum powders. Powder characteristics can be controlled by process parameters. Applications of Pure Aluminum Powder Pure aluminum powder is used in the following applications: Protective Coatings – Thermal spray coatings to provide corrosion protection for steel surfaces. Pyrotechnics – Powder fuel for pyrotechnic compositions due to high flammability. Fuel Additive – Added to solid rocket propellants and explosives to improve energetic characteristics. 3D Printing – Used in selective laser sintering, direct metal laser sintering (DMLS) additive manufacturing processes. Printing Inks – Used in conductive inks for printing of circuits, RFID tags, other electronics. Pigments – Flake and atomized powders for paints, plastics, rubber and other coatings. Electronics – Pure aluminum bonding wires, contacts, circuits requiring conductivity. Welding – Used as aluminum powder filler material for welding components and repair. Specifications of Pure Aluminum Powder Pure aluminum powder is available under various specifications: Particle Size: Ranging from 5-150 microns depending on application. Finer atomized powder for AM, coarser grade for coatings. Purity: From 99% to 99.9% purity based on impurity limits for iron, silicon and other elements. Morphology: Spherical, irregular and flake type particle shapes. Spherical powder has better flowability. Coating: Partially oxygen passivated, uncoated and oil coated pure aluminum powders offered. Grades: Commercial pure, very high purity and technical grades conforming to standards like ASTM B209. Surface Area: Powder can be tailored as ultrafine nanoscale (up to 20 m2/g) to coarse grades. Health and Safety When Handling Aluminum Powder Pure aluminum powder poses some health and safety hazards: Fine aluminum powder is highly flammable and explosive when suspended in air. Dust explosion risks must be mitigated. Oxidation is a risk leading to loss of material. Storage in inert atmosphere is recommended. Aluminum powder should not be heated or used near sparks or ignition sources. Contact with skin or eyes may cause irritation. Use personal protective equipment. Inhalation of fine aluminum powders may cause respiratory issues. Use appropriate ventilation and breathing protection. Aluminum powder wastage and disposal must be handled carefully to avoid contamination. Inspection and Testing of Aluminum Powder To ensure quality standards, pure aluminum powder is tested for: Chemical Composition – Inductively coupled plasma mass spectrometry and optical emission spectroscopy used to verify composition and purity. Particle Size – Laser diffraction analysis, sieve testing as per ASTM B214 standard used for measurement of particle size distribution. Morphology – Scanning electron microscopy used to examine shape and surface structure of powder particles. Flow Rate – Determined as per ASTM B213 using Hall flowmeter funnel. Spherical powder has excellent flowability. Apparent Density – Measured using gravimetric analysis or Scott volumeter as per ASTM B212. Specific Surface Area – BET gas absorption method used for measurement of surface area per unit mass, especially for nanoscale powders. Routine testing ensures consistency in aluminum powder quality and performance. Comparison of Atomized and Sintered Aluminum Powder Atomized and sintered aluminum powders differ in production method and properties:
Parameter Atomized Al Powder Sintered Al Powder
Production Method Gas or water atomization of molten aluminum Compacting and sintering of aluminum powder
Particle Morphology Spherical Irregular, porous
Particle Size 5 to 150 microns Under 5 microns
Flowability Excellent Poor
Purity 99 to 99.9% Lower
Cost Higher Lower
Applications Thermal spray, AM Flash powder, explosives
Atomized aluminum powder has more controlled characteristics preferred for coatings, AM, electronics. Sintered aluminum is used where ultrafine particle size is required despite lower purity. FAQs Q: What is pure aluminum powder used for? A: Pure aluminum powder is used in protective coatings, pyrotechnics, fuel additives, 3D printing, conductive inks, pigments, welding filler, and other applications requiring unalloyed aluminum properties. Q: What is the difference between atomized and milled aluminum powder? A: Atomized aluminum powder has spherical morphology and controlled particle size distribution while milled flake powder has irregular shapes and broader distribution. Atomized powder has better flow and packing density. Q: How is ultrafine aluminum powder produced? A: Special production methods like exploding wire process, evaporation-condensation, and high-energy ball milling allow production of aluminum powder with particle sizes below 10 microns. Q: What safety precautions are needed when handling aluminum powder? A: Fine aluminum powder is highly flammable. Dust explosion risks must be controlled. Storage in inert gas is recommended. Use proper grounding, ventilation, and PPE when handling aluminum powder. Q: How is the purity of aluminum powder determined? A: Spectroscopic analysis like ICP-MS and OES is used to accurately quantify the elemental composition. Purity levels from 99% to 99.9% based on impurity elements like iron, silicon are specified. Q: Where can I buy pure aluminum powder for electronics applications? A: High purity aluminum powder with controlled particle size and low impurities suitable for electronics can be purchased from supplier.
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