7255 aluminium alloy

Summary

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

  1. ^ a b c "7255 aluminum alloy composition, properties".

Aluminium alloy table