5Cr-Mo-V Aircraft Steel Q&T
Verifiedmetal5Cr-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.
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Property OverviewNormalized to typical max values
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Specification
| 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 |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Rows with are inherited from the base material
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| 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) | — |
Rows with are inherited from the base material
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.778 | kg/m³ | 22°C |
Rows with are inherited from the base material
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
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RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.