Alloy 7178 is a high strength alloy with magnesium and copper as the major alloying elements. It is heat treatable and develops improved mechanical properties from precipitation hardening.
Commonly used in the manufacture of aircraft and other structures.
ASTM B209, B221, B241,B316
QQ-A-200/13, QQ-A-200/14, QQ-A-250/14, QQ-A-250/21, QQ-A-250/21, QQ-A-250/28, QQ-A-430C