| Type | 17-4 PH | |||||
chemical composition wt.% | O | Fe | C | Mn | Si | Cr |
| ≤0.06 | Bal. | ≤0.07 | ≤1.0 | ≤1.0 | 16.5 | |
| S | P | Cu | Nb | Ni | ||
| ≤0.03 | ≤0.04 | 4.0 | 0.3 | 4.5 | ||
physical properties | size distribution μm | hall flow s/50g | apparent density g/cm3 | tap density g/cm3 | oxygen content ppm | sphericity % |
| 15-53 | ≤18 | ≥4.0 | ≥4.5 | ≤600 | ≥85 | |
mechanical properties (after heat treatment) | tensile strength MPa | yield strength MPa | reduction of area % | elongation % | ||
| 1390-1450 | 1170-1220 | 35-50 | ≥11 | |||
| SEM |  | |||||
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