7475 aluminium alloy explained

7475 aluminum alloy (Adirium) is a wrought alloy with high zinc weight percentage. It also contains magnesium, silicon and chromium.^[1]

7475 alloy can not be welded. It has more spring back because of its strength. It has high machinability.

Chemical composition

Element	Content (%)
Aluminum	90.3
Zinc	5.7
Magnesium	2.3
Silicon	1.50
Chromium	0.22

Properties

Properties	Value
Density
Melting point
Elastic modulus
Poisson's ratio	0.33
Thermal conductivity
Ultimate Tensile Strength[2]
Elongation at Break	12%
Modulus of Elasticity

Applications

1. Shell casings
2. Aircraft

External links

1. https://www.suppliersonline.com/propertypages/7475.asp
2. https://www.suppliersonline.com/propertypages/7475.asp
3. https://www.makeitfrom.com/material-properties/7475-AlZn5.5MgCuA-Aluminum
4. Tanaka . Hiroki . Minoda . Tadashi . Mechanical properties of 7475 aluminum alloy sheets with fine subgrain structure by warm rolling . Transactions of Nonferrous Metals Society of China . 1 July 2014 . 24 . 7 . 2187–2195 . 10.1016/S1003-6326(14)63331-8 .
5. https://www.efunda.com/Materials/alloys/aluminum/show_aluminum.cfm?ID=AA_7475&show_prop=all&Page_Title=AA%207475

Notes and References

1. Web site: 31 August 2012. Aluminum 7475 alloy. live. https://web.archive.org/web/20210109053526/https://www.azom.com/article.aspx?ArticleID=6646 . 2021-01-09 .
2. Web site: 7475 alloys. live. https://web.archive.org/web/20040521103745/http://asm.matweb.com:80/search/SpecificMaterial.asp?bassnum=MA7475T765 . 2004-05-21 .