7255 aluminium alloy is a wrought alloy with high zinc weight percentage (from 7.8 to 8.4%). It also contains magnesium, copper.[1]
Chemical composition
| Elements[1] | Weight Percentage |
|---|---|
| Aluminum | 86.1 - 88.52% |
| Zinc | 7.6 - 8.4% |
| Copper | 2.0 - 2.6% |
| Magnesium | 1.8 - 2.3% |
| Zirconium | 0.08 - 0.15% |
| Titanium | <= 0.06% |
| Iron | <= 0.09% |
| Chromium | <= 0.04% |
| Manganese | <= 0.05% |
| Other, each | <= 0.05% |
| Other, total | <= 0.15% |
| Silicon | <= 0.06% |
Properties
| Properties | SI Unit Value |
|---|---|
| Density[1] | 2.86 g/cc |
References
Aluminium alloy table
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