7050 Aluminum T7451 is a high-strength Al-Zn-Mg-Cu alloy in an overaged temper condition, designed to provide improved stress-corrosion cracking (SCC) resistance while maintaining tensile strength suitable for critical aerospace structural applications. T7451 combines solution heat treatment, controlled stretching, and elevated-temperature aging to achieve optimal balance between strength (typically 435–480 MPa yield) and corrosion resistance in thick-section forgings and extrusions.
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27 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) | 73.08 | GPa | 22°C · Hand Forging | ||
Compressive Tangent Modulus vs Stress(Etn(σ))3 entries | Curve (11 pts) | Pa | 21°C · L | ||
| ↳ | Curve (12 pts) | Pa | 21°C · LT | ||
| ↳ | Curve (12 pts) | Pa | 21°C · ST | ||
Fatigue Crack Growth Rate(da/dN)3 entries | Curve (6 pts) | m/cycle | 21°C | ||
| ↳ | Curve (7 pts) | m/cycle | 21°C | ||
| ↳ | Curve (9 pts) | m/cycle | 21°C | ||
Poisson's Ratio(ν) | 0.3300 | - | 22°C | ||
Shear Modulus(G) | 26.89 | GPa | 22°C · Hand Forging | ||
S–N Curve (Wöhler)(S–N) | — | Pa | 13 entriesClick to expand | ||
Stress–Strain Curve (buckling region, ≤ 2% strain)(σ–ε (low-strain)) | — | Pa | 6 entriesClick to expand | ||
Ultimate Tensile Strength(σUTS) | Curve (5 pts) | Pa | L | ||
Yield Strength (0.2% offset)(σy) | Curve (6 pts) | Pa | L | ||
Young's Modulus(E) | 70.33 | GPa | 22°C · Hand Forging | ||
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.823 | kg/m³ | 22°C |