| Type | MS1 | |||||
chemical composition wt.% | O | Fe | C | Mn | Si | Cr |
| ≤0.03 | Bal. | ≤0.03 | ≤0.1 | ≤0.1 | ≤0.5 | |
| S | P | Mo | Ni | Co | Ti | |
| ≤0.01 | ≤0.01 | 4.8 | 18 | 9.0 | 0.7 | |
| Al | ||||||
| 0.1 | ||||||
physical properties | size distribution μm | hall flow s/50g | apparent density g/cm3 | tap density g/cm3 | oxygen content ppm | sphericity % |
| 15-53 | ≤16 | ≥4.2 | ≥4.8 | ≤300 | ≥85 | |
Performance after printing | Rockwell hardness HRC | tensile strength MPa | yield strength MPa | elongation % | Polishing property SPI:B1｜Ra：～0.01μm｜gaps above 20μm < 20 /cm2 | |
| 54-57 | 2000 | 1980 | 5 | |||
| SEM |  | |||||
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