Aluminum Sheet 7075 O Temper Clad has high strength after heat treatment, light weight, good fatigue resistance, excellent corrosion resistance, and average machinability 7075, one of the strongest aluminum alloys, was specifically designed for aircraft frames and offers strength slightly superior to steel while maintaining the light weight of aluminum It is typically used in aerospace, highend automotive, and defense applicationsHEAT TREATMENT IS NECESSARY TO PROVIDE STRENGTH, AS O TEMPER IS EXTREMELY SOFT