5Cr-Mo-V is a chromium-molybdenum-vanadium alloy steel used for critical aircraft structural components and fasteners, specified under AMS 6437/6487/6488. The Q&T (quenched and tempered) condition provides high yield strength (typically 1,380–1,860 MPa depending on section size), excellent fracture toughness, and reliable bearing strength for landing gear, wing attachments, and high-strength fastener applications.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Ultimate Bearing Strength(Fbru)2 entries | 2.758 | GPa | 22°C · Bar/Forging · Quenched and tempered · AMS 6487 OR AMS 6488 · t=a,b in · e/D=2 | ||
| ↳ | 2.758 | GPa | 22°C · Sheet/Strip/Plate · Quenched and tempered · AMS 6437 · t=... in · e/D=2 | ||
Bearing Yield Strength(Fbry)2 entries | 2.172 | GPa | 22°C · Bar/Forging · Quenched and tempered · AMS 6487 OR AMS 6488 · t=a,b in · e/D=2 | ||
| ↳ | 2.172 | GPa | 22°C · Sheet/Strip/Plate · Quenched and tempered · AMS 6437 · t=... in · e/D=2 | ||
Compressive Modulus(Ec) | 206.8 | GPa | 22°C · Bar/Forging | ||
Compressive Yield Strength(Fcy)2 entries | 1.517 | GPa | 22°C · Bar/Forging · Quenched and tempered · AMS 6487 OR AMS 6488 · t=a,b in | ||
| ↳ | 1.517 | GPa | 22°C · Sheet/Strip/Plate · Quenched and tempered · AMS 6437 · LT · t=... in | ||
Elongation at Break(εf)3 entries | 9.000 | - | 22°C · Bar/Forging · Quenched and tempered · AMS 6487 OR AMS 6488 · L · t=a,b in | ||
| ↳ | 8.000 | - | 22°C · Bar/Forging · Quenched and tempered · AMS 6487 OR AMS 6488 · L · t=a,b in | ||
| ↳ | 6.000 | - | 22°C · Sheet/Strip/Plate · Quenched and tempered · AMS 6437 · t=... in | ||
Poisson's Ratio(ν) | 0.3600 | - | 22°C | ||
Reduction of Area(RA)2 entries | 30.00 | - | 22°C · Bar/Forging · Quenched and tempered · AMS 6487 OR AMS 6488 · L · t=a,b in | ||
| ↳ | 6.000 | - | 22°C · Bar/Forging · Quenched and tempered · AMS 6487 OR AMS 6488 · LT · t=a,b in | ||
Shear Modulus(G) | 75.84 | GPa | 22°C · Bar/Forging | ||
Ultimate Shear Strength(Fsu)2 entries | 992.8 | MPa | 22°C · Bar/Forging · Quenched and tempered · AMS 6487 OR AMS 6488 · t=a,b in | ||
| ↳ | 992.8 | MPa | 22°C · Sheet/Strip/Plate · Quenched and tempered · AMS 6437 · t=... in | ||
Ultimate Tensile Strength(σUTS)4 entries | 1.793 | GPa | 22°C · Bar/Forging · Quenched and tempered · AMS 6487 OR AMS 6488 · L · t=a,b in | ||
| ↳ | 1.655 | GPa | 22°C · Bar/Forging · Quenched and tempered · AMS 6487 OR AMS 6488 · LT · t=a,b in | ||
| ↳ | 1.655 | GPa | 22°C · Sheet/Strip/Plate · Quenched and tempered · AMS 6437 · LT · t=... in | ||
| ↳ | 1.793 | GPa | 22°C · Bar/Forging · Quenched and tempered · AMS 6487 OR AMS 6488 · LT · t=a,b in | ||
Yield Strength (0.2% offset)(σy)4 entries | 1.482 | GPa | 22°C · Bar/Forging · Quenched and tempered · AMS 6487 OR AMS 6488 · L · t=a,b in | ||
| ↳ | 1.379 | GPa | 22°C · Sheet/Strip/Plate · Quenched and tempered · AMS 6437 · LT · t=... in | ||
| ↳ | 1.379 | GPa | 22°C · Bar/Forging · Quenched and tempered · AMS 6487 OR AMS 6488 · LT · t=a,b in | ||
| ↳ | 1.482 | GPa | 22°C · Bar/Forging · Quenched and tempered · AMS 6487 OR AMS 6488 · LT · t=a,b in | ||
Young's Modulus(E) | 206.8 | GPa | 22°C · Bar/Forging |
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 (7 pts) | 1/K | — | ||
Thermal Conductivity vs Temperature(k(T)) | Curve (7 pts) | W/(m·K) | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.778 | kg/m³ | 22°C |