316L Stainless Steel Powder
Stainless Steel Powders · Metal Additive Manufacturing Powder
316L stainless steel powder is the single most widely used metal powder in laser powder bed fusion (LPBF) and binder jetting. Its low carbon content (max 0.03%) improves corrosion resistance after printing, making it a safe default for general-purpose additive manufacturing. Typical as-built tensile strength reaches 630-660 MPa with yield strength around 520 MPa and elongation above 40%, comparable to wrought 316L plate. 316L prints well on virtually every industrial machine (EOS, SLM Solutions, Renishaw, Velo3D) with a wide 15-53 micron process window, which keeps powder cost low and supply abundant. Buyers commonly source gas-atomized powder (VIGA) in 15-45 micron and 15-53 micron cuts for LPBF, and 20-63 micron for electron beam melting. When comparing quotes, check oxygen content (below 600 ppm is standard), flowability (Hall flow under 20 s/50 g) and whether the supplier provides a mill certificate with chemistry per ASTM A276 / EN 1.4404.
Typical Applications
316L Stainless Steel Powder - Key Properties
| Chemical composition (wt%) | Fe bal · Cr 16-18 · Ni 10-14 · Mo 2-3 · Mn ≤2.0 · Si ≤1.0 · C ≤0.03 |
| Density | 7.98 g/cm³ (bulk) |
| Tensile strength (as-built) | 633 MPa UTS · 520 MPa YS (median of 8 data points) |
| Elongation (as-built) | 41.5% (median of 8 data points) |
| Hardness | ~200 HV (as-built) |
| Particle size | 15-45 µm / 15-53 µm (LPBF) · 20-63 µm (EBM) |
| Production | Gas atomization (VIGA) — spherical powder, satellite-free |
| Standards | ASTM F3184 · EN 1.4404 · UNS S31603 |
8 product offer(s) — 7 supplier(s)
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15-53μm · Inner Mongolia Sunruns New Material Co., Ltd. (China)Quote$8.50–9.00per kg
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15-53 μm · Weilaray Advanced Powder (Hunan, China)Quote$29.50–37.50per kg
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Custom size · ZTT SRIM Additive Manufacturing Co.,Ltd. (Nantong, Jiangsu)QuotePrice on request
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Custom size · Xi'an Ouzhong Material Technology Co., Ltd. (Xi'an, Shaanxi)QuotePrice on request
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15-53,45-106,53-150μm · Zhongke Bulafei Material Technology (Dongguan) Co., Ltd. (Dongguan, Guangdong)QuotePrice on request
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15-53μm · Shaanxi Guizidan New Material Co., Ltd. (Hanzhong, Shaanxi)QuotePrice on request
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53-150μm · Shaanxi Guizidan New Material Co., Ltd. (Hanzhong, Shaanxi)QuotePrice on request
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15–53μm · Unverified Supplier (Shanghai)QuotePrice on request
Frequently Asked Questions
How much does 316L stainless steel powder cost per kg?
316L is one of the lowest-cost AM powders: market quotes typically range from $25 to $60 per kg depending on order size and particle-size cut. Submit a request on this page and verified suppliers quote you directly, usually within 24 hours.
What particle size of 316L powder should I use?
For laser powder bed fusion, 15-45 µm or 15-53 µm is standard. For electron beam melting use 20-63 µm, and for binder jetting or DED, coarser cuts (45-106 µm) are typical.
Is 316L printed material as strong as wrought 316L?
Yes. As-built LPBF 316L typically reaches 630-660 MPa UTS with 40%+ elongation, on par with annealed wrought 316L, and hot isostatic pressing can close residual porosity for demanding applications.
Which machines print 316L well?
316L is supported on all mainstream LPBF platforms including EOS M290, SLM Solutions, Renishaw AM400 and Velo3D Sapphire, with mature process parameters widely available.
Do suppliers provide certification for 316L powder?
Most professional suppliers provide a mill test certificate with full chemistry (per ASTM F3184 / EN 1.4404), particle-size distribution, oxygen content and Hall flow. Specify 'full MTC required' in your inquiry.
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