Features: Also known as duralumin, the main alloying element is copper. It has high strength and good cutting performance, has certain heat resistance, and can be heat treated. The disadvantage is that it has poor corrosion resistance.
Application: Mainly used in aircraft structures (such as skins, etc.), aerospace, weapons, engines, pistons, automobile bodies, ship hulls and stressed components, etc.
Commonly used grades: 2017, 2024, 2A12.
