7475 Aluminum T761 is a high-strength aluminum-zinc-magnesium-copper alloy in a stretched temper condition providing excellent fracture toughness and stress-corrosion cracking resistance for critical aerospace structural applications. The T761 temper achieves superior damage tolerance through controlled overaging after solution treatment and controlled stretching, making it suitable for highly loaded aircraft components requiring reliable performance in sustained-stress environments.
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29 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 | |
|---|---|---|---|---|---|
Ultimate Bearing Strength(Fbru) | 82.00 – 143 | ksi | 8 entriesClick to expand | ||
Bearing Yield Strength(Fbry)4 entries | 104 | ksi | 22°C · Sheet · T761 · AMS 4085 · t=0.040-0.062 in · e/D=1.5 | ||
| ↳ | 104 | ksi | 22°C · Sheet · T761 · AMS 4085 · t=0.063-0.187 in · e/D=1.5 | ||
| ↳ | 104 | ksi | 22°C · Sheet · T761 · AMS 4085 · t=0.188-0.249 in · e/D=1.5 | ||
| ↳ | 97.00 | ksi | 22°C · Sheet · T761 · AMS 4085 · t=0.250-0.499 in · e/D=1.5 | ||
Compressive Modulus(Ec) | 10,500 | ksi | 22°C · Sheet | ||
Compressive Tangent Modulus vs Stress(Etn(σ)) | — | ksi | 8 entriesClick to expand | ||
Compressive Yield Strength(Fcy) | 41.00 – 63.00 | ksi | 12 entriesClick to expand | ||
Elongation at Break(εf) | 9.000 | - | 8 entriesClick to expand | ||
Poisson's Ratio(ν) | 0.3300 | - | 22°C | ||
Residual Strength vs Initial Crack Length(Fr(2a0))2 entries | Curve (16 pts) | ksi | 21°C | ||
| ↳ | Curve (15 pts) | ksi | 21°C | ||
Shear Modulus(G) | 3,800 | ksi | 22°C · Sheet | ||
Ultimate Shear Strength(Fsu)4 entries | 112 | ksi | 22°C · Sheet · T761 · AMS 4085 · t=0.040-0.062 in | ||
| ↳ | 112 | ksi | 22°C · Sheet · T761 · AMS 4085 · t=0.063-0.187 in | ||
| ↳ | 111 | ksi | 22°C · Sheet · T761 · AMS 4085 · t=0.188-0.249 in | ||
| ↳ | 104 | ksi | 22°C · Sheet · T761 · AMS 4085 · t=0.250-0.499 in | ||
S–N Curve (Wöhler)(S–N)3 entries | Curve (40 pts) | ksi | 21°C · L | ||
| ↳ | Curve (40 pts) | ksi | 21°C · L | ||
| ↳ | Curve (40 pts) | ksi | 21°C · L | ||
Stress–Strain Curve (buckling region, ≤ 2% strain)(σ–ε (low-strain)) | — | ksi | 16 entriesClick to expand | ||
Ultimate Tensile Strength(σUTS) | 70.00 – 71.00 | ksi | 8 entriesClick to expand | ||
Yield Strength (0.2% offset)(σy) | 60.00 – 61.00 | ksi | 8 entriesClick to expand | ||
Young's Modulus(E) | 10,000 | ksi | 22°C · Sheet | ||
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1010 | lb/in³ | 22°C |