Wrought aluminium zinc alloy
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
7255 aluminium alloy properties
| Properties
|
SI Unit Value
|
| Density[1]
|
2.86 g/cc
|
References
Aluminium alloy table
