Aluminium alloy 6082 is a medium strength alloy with excellent corrosion resistance. It has the highest strength of the 6000 series alloys. Alloy 6082 is known as a structural alloy. In plate form, 6082 is the alloy most commonly used for machining. As a relatively new alloy, the higher strength of 6082 has seen it replace 6061 in many applications. The addition of a large amount of manganese controls the grain structure which in turn results in a stronger alloy. 6082-T651 is now superseding low-carbon steels in structural applications where the benefits of lightness, specific stiffness, corrosion resistance and ease of fabrication can be exploited
| Element | Composition % |
|---|---|
| Silicon (Si) | 0.70 - 1.3 |
| Magnesium (Mg) | 0.60 - 1.20 |
| Manganese (Mn) | 0.4 - 1.00 |
| Iron (Fe) | 0.0 - 0.50 |
| Chromium (Cr) | 0.0 - 0.25 |
| Zinc (Zn) | 0.0 - 0.20 |
| Others (Total) | 0.00 - 0.15 |
| Titanium (Ti) | 0.0 - 0.10 |
| Copper (Cu) | 0.0 - 0.10 |
| Other (Each) | 0.0 - 0.05 |
| Aluminium (Al) | Balance |
| Property | Value |
|---|---|
| Proof Stress | 260 Min MPa |
| Tensile Strength | 310 MPa |
| Elongation at 50 mm | 10 Min % |
| Hardness Brinell | 94 HB |
| Please note that Mechanical Properties shown are for T651 temper - Solution heat treated, stress relieved by stretching then artificially aged | |
| Property | Value |
|---|---|
| Density | 2.70 g/cm3 |
| Melting Point | 555°C |
| Thermal Expansion | 24 ×10−6 /K |
| Modulus of Elasticity | 70 GPa |
| Thermal Conductivity | 180 W/m.K |
| Electrical Resistivity | 0.038 ×10−6Ω.m |
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