7475 aluminum alloy (Adirium) is a wrought alloy with high zinc weight percentage. It also contains magnesium, silicon and chromium.
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 | 2.6–2.8 g/cm (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 | 531 MPa (77.0 ksi) |
| Elongation at Break | 12% |
| Modulus of Elasticity | 71.7 GPa (10,400 ksi) |
Applications
- Shell casings
- Aircraft
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
| 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 |
|