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Pressed and sintered stainless steel powder
| Grades | Chemical Composition（wt.%） | Apparent Density(g/cm3) | Fluidity(s/50g) |
Compressibility600MPa (g/cm3) |
Particle Size Composition（wt.%）（μm） | MPIF Grades | ||||||||||||||
| Cr | Ni | Mn | Si | Sn | S | C | P | Mo | Nb | Cu | [O] | Fe |
-212 +150 |
-150 +45 |
-45 | |||||
| 303L | 17-19 | 8-13 | ≤2 | ≤1 | - | 0.15-0.30 | ≤0.03 | ≤0.2 | - | - | - | ≤0.30 | Bal. | 2.5-3.0 | ≤35 | ≥6.40 | ≤1 | balance | 30-50 | SS-303L |
| 304L | 18-20 | 8-12 | ≤2 | ≤1 | - | ≤0.03 | ≤0.03 | ≤0.04 | - | - | - | ≤0.30 | Bal. | 2.5-3.0 | ≤35 | ≥6.40 | ≤1 | balance | 30-50 | SS-304H,L |
| 316L | 16-18 | 10-14 | ≤2 | ≤1 | - | ≤0.03 | ≤0.03 | ≤0.04 | 2.0-3.0 | - | - | ≤0.30 | Bal. | 2.5-3.0 | ≤35 | ≥6.50 | ≤1 | balance | 30-50 | SS-316H,L |
| 409L | 10.5-11.75 | - | ≤1 | ≤1 | - | ≤0.03 | ≤0.03 | ≤0.04 | - | - | - | ≤0.30 | Bal. | 2.5-3.0 | ≤35 | ≥6.30 | ≤1 | balance | 30-50 | SS-409H,L |
| 410L | 11.5-13.5 | - | ≤1 | ≤1 | - | ≤0.03 | ≤0.03 | ≤0.04 | - | - | - | ≤0.30 | Bal. | 2.5-3.0 | ≤35 | ≥6.30 | ≤1 | balance | 30-50 | SS-410L |
| 430L | 16-18 | - | ≤1 | ≤1 | - | ≤0.03 | ≤0.03 | ≤0.04 | - | - | - | ≤0.30 | Bal. | 2.5-3.0 | ≤35 | ≥6.30 | ≤1 | balance | 30-50 | SS-430L |
| 434L | 16-18 | - | ≤1 | ≤1 | - | ≤0.03 | ≤0.03 | ≤0.04 | 0.75-1.25 | - | - | ≤0.30 | Bal. | 2.5-3.0 | ≤35 | ≥6.30 | ≤1 | balance | 30-50 | SS-434L |
| 630L | 15.5-17.5 | 3-5 | ≤1 | ≤1 | - | ≤0.03 | ≤0.03 | ≤0.04 | - | 0.15-0.45 | 3-5 | ≤0.30 | Bal. | 2.5-3.0 | ≤35 | ≥6.20 | ≤1 | balance | 30-50 | - |
| 303LSC | 17-19 | 8-13 | ≤1 | ≤1 | 1 | 0.15-0.30 | ≤0.03 | ≤0.2 | - | - | 2-4 | ≤0.30 | Bal. | 2.5-3.0 | ≤35 | ≥6.40 | ≤1 | balance | 30-50 | - |
| 304LSC | 17-19 | 8-13 | ≤1 | ≤1 | 1 | ≤0.03 | ≤0.03 | ≤0.04 | - | - | 2-4 | ≤0.30 | Bal. | 2.5-3.0 | ≤35 | ≥6.40 | ≤1 | balance | 30-50 | - |
| 316LSC | 16-19 | 10-14 | ≤1 | ≤1 | 1 | ≤0.03 | ≤0.03 | ≤0.04 | 2-3 | - | 2-4 | ≤0.30 | Bal. | 2.5-3.0 | ≤35 | ≥6.40 | ≤1 | balance | 30-50 | - |
Properties of sintered stainless steel powder
| Grades |
Tensile Strength （MPa） |
Yield Strength (MPa) |
Elongation （%） |
Transverse Fracture Strength （MPa） |
Apparent Hardness （HRB） |
Density (g/cm3) |
| 303L | ≥350 | ≥160 | ≥22 | ≥560 | ≥40 | ≥6.7 |
| 304L | ≥390 | ≥180 | ≥20 | ≥590 | ≥45 | ≥6.7 |
| 316L | ≥400 | ≥210 | ≥25 | ≥560 | ≥50 | ≥6.8 |
| 409L | ≥350 | ≥190 | ≥14 | - | ≥55 | ≥6.8 |
| 410L | ≥360 | ≥180 | ≥15 | - | ≥55 | ≥6.8 |
| 430L | ≥330 | ≥170 | ≥13 | - | ≥55 | ≥6.8 |
| 434L | ≥340 | ≥210 | ≥12 | - | ≥55 | ≥6.7 |
| 630L | ≥580 | ≥300 | ≥2 | ≥500 | ≥70 | ≥6.6 |