7075 aluminum comes in many shapes, sizes and hardnesses. 7075 is an aluminum alloy containing aluminum, zinc, magnesium and copper. 7075 is a high-strength alloy with excellent resistance to stress corrosion cracking in sheet form. The 7075 is suitable for many aerospace applications. In addition, 7075 is suitable for applications requiring moderate toughness and high strength and corrosion resistance. 7075 aluminum round bar is cold worked or extruded. 7075 is an aerospace aluminum that offers high strength and good stress corrosion control. 7075 is one of the strongest aluminum alloys with good fatigue strength and machinability. When purchasing 7075, it is important to discuss the tempers as the mechanical properties of each temper vary and can greatly affect the end application.