USA ASTM SAE AMS 5657C (1960), PH 15-7 Mo Specialsteel Steel Bars and Forgings, Corrosion and Moderate Heat-Resistant 15Cr - 7.1Ni - 2.5Mo - 1.1Al and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | PH 15-7 Mo | Precipitation-Hardening | ASTM | USA | Steel Bars and Forgings, Corrosion and Moderate Heat-Resistant 15Cr - 7.1Ni - 2.5Mo - 1.1Al |
| C | Si | Mn | Cr | Ni | Mo | Co | W | Al | Cu | Ti | Fe |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.07 | ≤0.30 | ≤0.50 | ≤15.00 | ≤7.00 | ≤2.20 | ≤ ≥ | ≤ ≥ | ≤1.17 | ≤ ≥ | ≤ ≥ | ≤remaining |
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 189 (≥) | 151 (≥) | 42 | 43 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 244 |
| Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
|---|---|---|---|---|---|---|---|
| 31 | - | - | 0.23 | - | |||
| 853 | 829 | - | 21.3 | 333 | - | ||
| 459 | - | 43 | 24.2 | 333 | 112 |
Heat treated : 1978°C - 1731°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| PH15-7MO(Type632) |
| SAE AMS 5657C (1960) | Steel Bars and Forgings, Corrosion and Moderate Heat-Resistant 15Cr - 7.1Ni - 2.5Mo - 1.1Al | SAE-AMS-5657C-(1960).pdf |
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