316L Stainless Steel Powder
Stainless Steel Powders · Metal Additive Manufacturing Powder
316L is the workhorse austenitic stainless powder of metal additive manufacturing, combining excellent corrosion resistance, full weldability and the lowest raw-material cost of any printable stainless steel. Its low carbon content (0.03% max) suppresses carbide precipitation, so printed parts keep their corrosion resistance without post-print solution annealing. As-built LPBF 316L typically shows 480-680 MPa tensile strength with 30% or more elongation, exceeding wrought annealed bar; ASTM F3184 defines powder-bed AM requirements for medical and industrial use. The alloy prints cleanly across LPBF, DED and binder jetting and is widely stocked in 15-45 and 15-53 micron cuts by Chinese manufacturers. Applications range from surgical implants and food-contact equipment to marine hardware and chemical processing parts.
Typical Applications
316L Stainless Steel Powder - Key Properties
| Density | 7.9-8.0 g/cm3 |
| Tensile strength | 480-680 MPa (as-built LPBF) |
| Yield strength | 350-500 MPa (as-built LPBF) |
| Elongation | 30-50% |
| AM processes | LPBF, DED, binder jetting; annealing optional |
| AM / implant standards | ASTM F3184 (PBF) / ISO 5832-1 (implant grade) |
| Equivalent grades | UNS S31603 / EN 1.4404 (X2CrNiMo17-12-2) / GB 022Cr17Ni12Mo2 |
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. (江苏省 南通市)QuotePrice on request
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Custom size · 西安欧中材料科技股份有限公司 (陕西省 西安)QuotePrice on request
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15-53,45-106,53-150μm · 中科布拉菲材料技术（东莞）有限公司 (广东省 东莞)QuotePrice on request
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53-150μm · 陕西贵资丹新材料有限公司 (陕西省)QuotePrice on request
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15-53μm · 陕西贵资丹新材料有限公司 (陕西省)QuotePrice on request
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15–53μm · 待认证企业 (上海)QuotePrice on request
Frequently Asked Questions
How much does 316L powder cost per kg?
15-45 micron gas-atomized 316L is one of the cheapest AM powders: typically 10-25 USD per kg EXW from verified Chinese manufacturers, with lower prices for bulk lots.
What particle size is used for SLM printing of 316L?
15-45 micron or 15-53 micron is standard for laser powder bed fusion; DED uses 45-150 micron and binder jetting 15-30 micron or finer.
Do 316L printed parts need heat treatment?
Usually not. Stress relief at 400-600 C is optional for large parts; full solution annealing at 1050-1100 C with rapid cooling is used only when maximum softness is wanted.
Is 316L powder available as food or medical grade?
Yes. ASTM F3184 and ISO 5832-1 grades with controlled chemistry and low inclusion content are standard for implants and food-contact parts; specify your certification needs when quoting.
What is the difference between 316 and 316L powder?
316L has lower carbon (0.03% max), which prevents chromium carbide formation during printing and keeps corrosion resistance in the as-built condition without annealing.
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