316L Stainless Steel Powder

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316L Stainless Steel Powder

Product 316L Stainless Steel Powder
CAS No. 12597-68-1
Appearance Metallic 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 Fe-16-18Cr-10-14Ni-2-3-Mo
Density 7.99g/cm3
Molecular Weight N/A
Product Codes NCZ-DCY-340/25

316L Stainless Steel Description:

316L Stainless Steel 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.

316L Stainless Steel Powder Related Information :

Storage Conditions:

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

Please contact us for customization and price inquiry

Email: [email protected]

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

316L Stainless Steel Powder

316L Stainless Steel Powder(ss316L) 316L is a stainless steel grade, which is classified according to the metallographic structure and belongs to austenitic stainless steel.

Overview of 316L Stainless Steel Powder

316L is an austenitic stainless steel powder widely used in additive manufacturing to produce corrosion resistant parts with good mechanical properties and weldability. This article provides a detailed guide to 316L powder.

Key aspects covered include composition, properties, AM process parameters, applications, specifications, suppliers, handling, inspection methods, comparisons to alternatives, pros and cons, and FAQs. Tables are used to present information in an easy-to-reference format.

Composition of 316L Stainless Steel Powder

The composition of 316L stainless steel powder is:

Element Weight % Purpose
Iron Balance Principal matrix element
Chromium 16-18 Corrosion resistance
Nickel 10-14 Austenite stabilizer
Molybdenum 2-3 Corrosion resistance
Manganese <2 Deoxidizer
Silicon <1 Deoxidizer
Carbon <0.03 Avoid carbide precipitation

The high chromium and nickel content provide corrosion resistance while the low carbon minimizes carbide precipitation.

Properties of 316L Stainless Steel Powder

Property Description
Corrosion resistance Excellent resistance to pitting and crevice corrosion
Strength Tensile strength up to 620 MPa
Weldability Readily weldable and less prone to sensitization
Fabricability Easily formed into complex shapes
Biocompatibility Safe for contact with human body
Temperature resistance Resistant up to 900°C in oxidizing environments

The properties make 316L suitable for harsh, corrosive environments.

AM Process Parameters for 316L Powder

Typical parameters for printing 316L powder include:

Parameter Typical value Purpose
Layer height 20-100 μm Balance speed and resolution
Laser power 150-350 W Melting condition without vaporization
Scan speed 200-1200 mm/s Density versus build rate
Hatch spacing 100-200 μm Mechanical properties
Supports Minimal tree/lattice Overhangs, internal channels
Hot isostatic pressing 1150°C, 100 MPa, 3 hrs Eliminate porosity

Parameters tailored for density, microstructure, production rate and post-processing needs.

Applications of 3D Printed 316L Parts

AM 316L components are used in:

Industry Applications
Aerospace Structural brackets, panels, housings
Automotive Turbine housings, impellers, valves
Chemical Pumps, valves, reaction vessels
Oil and gas Downhole tools, manifolds, flanges
Biomedical Dental, orthopedic implants, surgical tools

Benefits versus wrought 316L include complex geometries, reduced part count, and accelerated product development.

Specifications of 316L Powder for AM

316L powder must meet strict specifications:

Parameter Specification
Particle size range 15-45 μm typical
Particle shape Spherical morphology
Apparent density > 4 g/cc
Tap density > 6 g/cc
Hall flow rate > 23 sec for 50 g
Purity >99.9%
Oxygen content <1000 ppm

Handling and Storage of 316L Powder

As a reactive material, careful 316L powder handling is essential:

Store sealed containers away from moisture, acids, ignition sources

Use inert gas padding during transportation and storage

Ground equipment to dissipate static charges

Avoid dust accumulation through extraction and ventilation

Follow safety data sheet precautions

Proper techniques ensure optimal powder condition.

Inspection and Testing of 316L Powder

Method Parameters Tested
Sieve analysis Particle size distribution
SEM imaging Particle morphology
EDX Chemistry and composition
XRD Phases present
Pycnometry Density
Hall flow rate Powder flowability

Testing per ASTM standards verifies powder quality and batch consistency.

Comparing 316L to Alternative Alloy Powders

316L compares to other alloys as:

Alloy Corrosion Resistance Strength Cost Printability
316L Excellent Medium Medium Excellent
17-4PH Good High Medium Good
IN718 Good Very high High Fair
CoCr Fair Medium Medium Good

With its balanced properties, 316L is very versatile for small to medium sized AM components needing corrosion resistance.

Pros and Cons of 316L Powder for AM

Pros Cons
Excellent corrosion resistance and biocompatibility Lower high temperature strength than alloys
Readily weldable and machinable Susceptible to porosity during printing
Cost advantage over exotic alloys Prone to thermal cracking
Can match wrought material properties Required post-processing like HIP
Range of suppliers available Lower hardness than precipitation hardening alloys

316L provides versatile performance at moderate cost, albeit with controlled processing requirements.

Frequently Asked Questions about 316L Stainless Steel Powder

Q: What particle size range works best for printing 316L alloy?

A: A typical range is 15-45 microns. It provides good powder flowability combined with high resolution and density.

Q: What post-processing methods are used on 316L AM parts?

A: Hot isostatic pressing, heat treatment, surface machining, and electropolishing are common methods for achieving full densification and surface finish.

Q: Which metal 3D printing process is ideal for 316L alloy?

A: All major powder bed fusion processes including selective laser melting (SLM), direct metal laser sintering (DMLS) and electron beam melting (EBM) are regularly used.

Q: What industries use additively manufactured 316L components?

A: Aerospace, automotive, biomedical, marine hardware, chemical processing, and oil and gas industries benefit from 3D printed 316L parts.

Q: Does 316L require support structures during 3D printing?

A: Yes, support structures are essential on overhangs and bridged sections to prevent deformation and allow easy removal after printing.

Q: What defects can occur when printing 316L powder?

A: Potential defects are porosity, cracking, distortion, lack of fusion, and surface roughness. Most can be prevented with optimized parameters.

Q: What is the key difference between 316 and 316L alloys?

A: 316L has lower carbon content (0.03% max) which improves corrosion resistance and eliminates harmful carbide precipitation during welding.

Q: How are the properties of printed 316L compared to wrought alloy?

A: With optimized parameters, AM 316L components can achieve mechanical properties on par or exceeding conventionally processed wrought counterparts.

Q: What density can be expected with 3D printed 316L parts?

A: Density above 99% is achievable for 316L with ideal parameters tailored for the alloy, matching wrought material properties.

Q: What finishing is typically applied to 316L AM parts?

A: Abrasive flow machining, CNC machining, and electropolishing are common finishing processes for removing surface roughness and achieving the required tolerances.

Description

Description
Note: For pricing & ordering information, please get in touch with us at [email protected]
Please contact us for quotes on Larger Quantities and customization. E-mail: [email protected]

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 [email protected] or by phone at (+1 780 612 4177) if you have any 

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