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.

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Product Description

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. The standard grade of the America is AISI316L; the Japanese JIS industrial standard grade is SUS316L; 316L stainless steel has excellent corrosion resistance, especially pitting corrosion resistance, due to the addition of 2~3% Mo element. At the same time, it has good high temperature strength performance and excellent work hardening (weak magnetic properties after processing). Nitrogen Atomization Spherical Stainless Steel Powder has the characteristics of low impurity content,high sphericity(good fluidity of interval powder), no chemical segregation and stable performance.

Product Specification

Component Cr Ni Mo Si Mn C
Standard % 16-18 10-14 2-3 ≤1 ≤2 ≤0.03
Test% 16.43 10.48 2.61 0.36 0.67 0.013
Component P S O Fe
Standard % / / / Bal.
Test% 0.006 0.004 0.068 Bal.


Product Properties

  1. Appearance: Grey spherical or nearly spherical powder
  2. Tapping Density: 4.55g/m3
  3. Apparent density: 4.14g/m3
  4. Flowability: 24.88s/50g
  5. Size: 15-53um
  6. PSD:D10=21.16μm, D50=33.51μm, D90=52.78μm
Size (um)
Tapping Density(g/cm³)
PSD (um)
D10 D50 D90
15-45um 4.4-4.8 ≤30 20-24 30-35 50-55
15-53um 4.4-4.9 ≤30 21-26 33-39 52-58
45-120um 4.4-4.8 ≤30 53-57 89-93 144-152



3D Printing 316L stainless steel powder is widely used in Jewelry, Construction, Automotive, Aerospace, Dental and Medical Industries.

Stainless Steel Powder

Alloy Norminal Composition Remark
C Si Cr Ni Mn Mo Cu W V Fe
316L ≤0.03 ≤1.00 16.0~18.0 10.0~14.0 ≤2.00 2.0~3.0 Bal.
304L ≤0.03 ≤1.00 18.0~20.0 8.0~12.0 ≤2.00 Bal.
17-4PH ≤0.07 ≤1.00 15.0-17.5 3.0~5.0 ≤1.00 3.00~5.00 Bal. NB:0.15~0.45
HK30 0.25~0.35 ≤1.50 24.0~26.0 19.0~22.0 ≤2.00 ≤0.5 Bal.
4340 0.38~0.43 0.15~0.35 0.7~0.9 1.65~2.00 0.6~0.8 0.2~0.3 Bal.
430 ≤0.12 ≤0.75 16.0~18.0 ≤1.00 Bal.
440C 0.95~1.25 ≤1.00 16.0~18.0 ≤1.00 Bal.
440CN 0.95~1.25 ≤1.00 16.0~18.0 ≤1.00 ≤0.5 Bal.
420J1 0.16~0.25 ≤1.00 12.0-14.0 ≤0.6 ≤1.00 Bal.
420J2 0.30~0.40 ≤1.00 12.0-14.0 ≤0.6 ≤1.00 Bal.
S136 0.20~0.45 0.8~1.0 12.0-14.0 ≤1.00 0.15~0.40 Bal.
D2 1.40~1.60 ≤0.4 11.0~13.0 ≤0.6 0.8~1.2 0.2~0.5 Bal.
H11 0.32~0.45 0.6-1 4.7~5.2 0.2~0.5 0.8~1.2 0.2~0.6 Bal.
H13 0.32~0.45 0.8~1.2 4.75~5.5 0.2~0.5 1.1~1.5 0.8~1.2 Bal.
M2 0.78~0.88 0.2~0.45 3.75~4.5 0.15~0.4 4.5~5.5 5.5~6.75 1.75~2.2 Bal.
M4 1.25~1.40 0.2~0.45 3.75~4.5 0.15~0.4 4.5~5.5 5.25~6.5 3.75~4.5 Bal.
T15 1.4~1.6 0.15~0.4 3.75~5 0.15~0.4 11.75~13 4.5-5.25 Bal. Co: 4.75~5.25


Pulverizing process:

  1. Matching, we need to match the alloy according to the proportion.
  2. Melting, put the prepared metal alloy in a high temperature for melting and smelting, so that the metal powder becomes a flowing liquefied body.
  3. After high temperature, the alloy is deoxidized, slag-forming, slag-removing, and slag-removing treatment, and finally added to the alloy product.
  4. After cooling and grinding, the product is filtered and cooled, and then the alloy block metal is pulverized. The pulverized powder particles are sent to the cyclone separation or rotating drum by wind force, and the ventilation reaches a certain level. The product is collected, and finally sieved and packaged into a product. By filtering out residual materials or substances with excessively large particles, qualified products are packaged for processing.

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HIP Technology

Hot Isostatic Pressing (HIP) technology works by placing the product in a closed container, filling it with inert gas and sintering or densifying the product at a very high temperature (usually close to the forging temperature of the material) and at a very high pressure (usually 100 – 140 MPa). This allows the product to be sintered or densified.

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MIM products can be complex in shape, precise in size, high in strength and produced automatically in large quantities, and can significantly reduce the complexity and cost of traditional metalworking

SLM Technology

SLM, also known as Selective Laser Melting, is similar in principle to SLS in that a laser is used to melt and solidify metal powder in a specified area, which is then moulded in a layer-by-layer stack.

EBM Technology

Electron beam melting refers to a vacuum melting method in which the kinetic energy of a high speed electron beam stream is converted to heat as a heat source for melting metals under high vacuum. The abbreviation is EBM.


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