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7255 aluminium alloy

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Wrought aluminium zinc alloy
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7255 aluminium alloy is a wrought alloy with high zinc weight percentage (from 7.8 to 8.4%). It also contains magnesium, copper.

Chemical composition

Elements 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 2.86 g/cc

References

  1. ^ "7255 aluminum alloy composition, properties".

Aluminium alloy table

Aluminium alloys
Introduction
Al 1000 series (pure)
Al-Cu 2000 series
Al-Mn 3000 series
Al-Si 4000 series
Al-Mg 5000 series
Al-Mg-Si 6000 series
Al-Zn 7000 series
8000 series (misc.)
Named alloys
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