Custom 455 is a precipitation-hardened martensitic stainless steel (17-4 PH derivative) designed for high-strength aerospace and defense applications requiring excellent corrosion resistance combined with tensile strengths exceeding 1,400 MPa. The H1000 and H950 conditions represent peak-aged tempers providing optimal strength and elastic property stability at operating temperatures up to approximately 480°C.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Compressive Modulus(Ec) | 206.8 | GPa | 22°C · Tubing (Welded) | ||
Poisson's Ratio(ν) | 0.2700 | - | 22°C | ||
Shear Modulus(G) | 77.91 | GPa | 22°C · Tubing (Welded) | ||
Young's Modulus(E) | 196.5 | GPa | 22°C · Tubing (Welded) |
2 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 (9 pts) | 1/K | — | ||
Thermal Conductivity vs Temperature(k(T)) | Curve (9 pts) | W/(m·K) | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.750 | kg/m³ | 22°C |