Aluminum Alloy
7075-T6
Aerospace high-strength alloy — strength approaching steel at a third the weight. Poor weldability; used where strength-to-weight is critical.
Last verified: 2026-07-09
| SeriesAlloy series (principal alloying element). | 7xxx |
|---|---|
| TemperThe common temper these typical values apply to. | T6 |
| Density(g/cm³) | 2.81 |
| Tensile(MPa)Typical ultimate tensile strength. | 572 |
| Yield(MPa)Typical 0.2% offset yield strength. | 503 |
| Elong.(%)Typical elongation at break. | 11 |
| Hardness(HB)Typical Brinell hardness. | 150 |
| Modulus(GPa)Elastic (Young's) modulus. | 71.7 |
| Machinability | Good |
| Weldability | Poor |
- Typical uses: aircraft structure, high-stress fittings, molds and tooling, competition parts.
- Highest common strength; lower corrosion resistance and not readily weldable (mechanically fastened).
Other aluminum alloys
Sources
- The Aluminum Association — Aluminum Standards and Data (typical mechanical properties)
- ASM International — properties of wrought aluminum alloys