7049/7149 Aluminum T7651 is a high-strength Al-Zn-Mg-Cu alloy in overaged temper condition, providing reduced susceptibility to stress-corrosion cracking while maintaining tensile strength in the 470–510 MPa range; primary use is in aircraft structural components and landing gear where combined strength, damage tolerance, and SCC resistance are critical.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Compressive Modulus(Ec) | 10,600 | ksi | 22°C · Hand forging | ||
Poisson's Ratio(ν) | 0.3300 | - | 22°C | ||
Shear Modulus(G) | 3,900 | ksi | 22°C · Die forging | ||
Young's Modulus(E) | 10,200 | ksi | 22°C · Die forging |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1030 | lb/in³ | 22°C |