17-4PH is a precipitation-hardened martensitic stainless steel (Fe-Cr-Ni-Cu-Nb) used in high-strength aerospace and power generation applications, offering exceptional strength-to-weight ratio and corrosion resistance up to approximately 300°C. The H1150M condition is solution-annealed at 1150°F followed by controlled aging, providing optimized strength and fracture toughness balance for critical rotating components and fasteners per AMS 5643.
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1 interactive curve for this material
Stress-strain, S-N fatigue and environmental knockdown curves are free with an account.
Create free account| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Compressive Modulus(Ec) | Curve (10 pts) | Pa | — | ||
Elongation at Break(εf) | 18.00 | - | 22°C · Bar · H1150M · AMS 5643 · L · t=<8.000 in | ||
Poisson's Ratio(ν) | 0.2700 | - | 22°C | ||
Shear Modulus(G) | 87.56 | GPa | 22°C · Investment Casting | ||
Ultimate Tensile Strength(σUTS) | 792.9 | MPa | 22°C · Bar · H1150M · AMS 5643 · L · t=<8.000 in | ||
Yield Strength (0.2% offset)(σy) | 517.1 | MPa | 22°C · Bar · H1150M · AMS 5643 · L · t=<8.000 in | ||
Young's Modulus(E) | 196.5 | GPa | 22°C · Sheet/Strip/Plate |
3 interactive curves for this material
Stress-strain, S-N fatigue and environmental knockdown curves are free with an account.
Create free account| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
CTE vs Temperature(α(T)) | Curve (13 pts) | 1/K | — | ||
Specific Heat vs Temperature(Cp(T)) | Curve (17 pts) | J/(kg·K) | — | ||
Thermal Conductivity vs Temperature(k(T)) | Curve (17 pts) | W/(m·K) | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.806 | kg/m³ | 22°C |