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Metals
SS 17-4 PH / 630
Precipitation-hardening stainless steel
17-4 PH is a high-strength stainless steel used for aerospace, valves, shafts and parts requiring both strength and corrosion resistance.
Density
7.75 g/cm³
Tensile strength
900-1200 MPa
Max temperature
~600 °C
Pros
- High strength
- Good corrosion resistance
- Heat treatable
Considerations
- More expensive
- Requires controlled heat treatment
Manufacturing & industries
Heat-treatedMachined
AerospaceOil & GasIndustrial
Property profile
Strength
88
Lightness
30
Heat
70
Flexibility
30
Durability
88
Corrosion
78
Affordability
42