Aluminum Alloy
6061-T6
The general-purpose workhorse: good strength, excellent weldability and corrosion resistance, and easy machining. The default for machined structural parts.
Last verified: 2026-07-09
| SeriesAlloy series (principal alloying element). | 6xxx |
|---|---|
| TemperThe common temper these typical values apply to. | T6 |
| Density(g/cm³) | 2.7 |
| Tensile(MPa)Typical ultimate tensile strength. | 310 |
| Yield(MPa)Typical 0.2% offset yield strength. | 276 |
| Elong.(%)Typical elongation at break. | 12 |
| Hardness(HB)Typical Brinell hardness. | 95 |
| Modulus(GPa)Elastic (Young's) modulus. | 68.9 |
| Machinability | Good |
| Weldability | Excellent |
- Typical uses: machined structural parts, frames and fixtures, automotive and marine, brackets, enclosures.
- Best all-round balance of strength, weldability, corrosion resistance, and cost.
- Heat-treatable; loses strength in the weld heat-affected zone (can be re-aged).
Other aluminum alloys
Sources
- The Aluminum Association — Aluminum Standards and Data (typical mechanical properties)
- ASM International — properties of wrought aluminum alloys