7475 aluminium alloy
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[1] | Content (%) |
|---|---|
| Aluminum | 90.3 |
| Zinc | 5.7 |
| Magnesium | 2.3 |
| Silicon | 1.50 |
| Chromium | 0.22 |
Properties
| Properties[1] | Value |
|---|---|
| Density | 2.6–2.8 g/cm3 (0.094–0.101 lb/cu in) |
| Melting point | 546 °C (1,015 °F) |
| Elastic modulus | 70–80 GPa (10,000–12,000 ksi) |
| Poisson's ratio | 0.33 |
| Thermal conductivity | 177 W/m/K (0.040 hp/ft/°R) |
| Ultimate Tensile Strength[2] | 531 MPa (77.0 ksi) |
| Elongation at Break[2] | 12% |
| Modulus of Elasticity[2] | 71.7 GPa (10,400 ksi) |
References
- "Aluminum 7475 alloy". 31 August 2012. Archived from the original on 2021-01-09.
- "7475 alloys". Archived from the original on 2004-05-21.
External links
- https://www.suppliersonline.com/propertypages/7475.asp
- https://www.suppliersonline.com/propertypages/7475.asp
- https://www.makeitfrom.com/material-properties/7475-AlZn5.5MgCuA-Aluminum
- Tanaka, Hiroki; Minoda, Tadashi (1 July 2014). "Mechanical properties of 7475 aluminum alloy sheets with fine subgrain structure by warm rolling". Transactions of Nonferrous Metals Society of China. 24 (7): 2187–2195. doi:10.1016/S1003-6326(14)63331-8.
- https://www.efunda.com/Materials/alloys/aluminum/show_aluminum.cfm?ID=AA_7475&show_prop=all&Page_Title=AA%207475
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