General-purpose heat-treatable aluminium (US-origin) — very similar to 6082, widely stocked.
| Property | Typical value |
|---|---|
| Density | 2700 kg/m³ |
| Yield | ~240–275 MPa |
| Tensile | ~290–310 MPa |
| Elongation | ~10 % |
| Young's E | 69 GPa |
| Hardness | ~95 HB |
| CTE | ~23 µm/m·K |
| Thermal cond. | ~167 W/m·K |
| Max service | ~150 °C (over-ages/softens above) |
| Poisson ν | ~0.33 |
| Shear modulus G | ~26 GPa (derived) |
| Shear strength | ~207 MPa (T6 typ) |
| Specific heat | ~900 J/kg·K |
| Elec. resistivity | ~0.040 µΩ·m (~43 %IACS, T6) |
| Melting range | ~580–650 °C |
| Fatigue (indicative) | no endurance limit; ~96 MPa at 5×10⁸ cycles (R.R. Moore) — rotating-bend, polished specimen; indicative only, surface/size/loading factors apply |
~90%. Excellent finish.
Weldable; HAZ softening as 6082.
| System | Designation |
|---|---|
| EN | EN AW-6061 [Al Mg1SiCu] |
| DIN | AlMg1SiCu / 3.3211 |
| AISI | AA 6061 |
| ASTM | B211 / B221 6061 |
| JIS | A6061 |
| BS | ≈HE20 (obsolete) / 6082 substitute |
| UNS | A96061 |
Equivalents & alternatives: 6061 (US); 6082 (UK, higher Mn/strength). Alt: 6082.
The UK structural aluminium — frames, machined parts, marine. Best strength of the 6xxx weldables.
Aluminium (wrought)Highest-strength common aluminium (Al-Zn) — aerospace, tooling, jigs. Not for welding/marine.
Aluminium (wrought)Non-heat-treatable Al-Mg — marine, hulls, tanks. Best-in-class corrosion + weldability.
Aluminium (wrought)Free-machining aluminium (Pb/Bi) — high-volume turned parts, connectors, fittings.
