Alcan 7056 is an Al-Mg-Zn-Cu-Zr alloy developed to provide an improved static/toughness balance versus incumbent 7150 and 7449 alloys. This data sheet covers Alcan 7056 alloy in the overaged T7951 temper. The alloy possesses very high toughness with improved corrosion resistance over 7150. This datasheet provides information on composition, physical properties, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as forming and heat treating. Filing Code: AL-416. Producer or source: Alcan Inc.