7249 aluminum alloy is a zinc-primary precipitation-hardened alloy designed for high-strength aerospace applications requiring excellent fracture toughness and stress-corrosion cracking resistance. The T77511 temper (solution heat-treated, stretched, and artificially aged) provides yield strengths of 415–450 MPa with enhanced toughness and dimensional stability, suitable for critical aircraft structural components operating in high-stress environments.
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4 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 | |
|---|---|---|---|---|---|
Compressive Modulus(Ec) | 71.71 | GPa | 22°C · Hand forging | ||
Poisson's Ratio(ν) | 0.3300 | - | 22°C | ||
Shear Modulus(G) | 26.20 | GPa | 22°C · Hand forging | ||
S–N Curve (Wöhler)(S–N)3 entries | Curve (11 pts) | Pa | — | ||
| ↳ | Curve (15 pts) | Pa | — | ||
| ↳ | Curve (16 pts) | Pa | — | ||
Stress–Strain Curve (buckling region, ≤ 2% strain)(σ–ε (low-strain)) | Curve (18 pts) | Pa | 21°C · LT | ||
Young's Modulus(E) | 69.64 | GPa | 22°C · Hand forging |