2219 is an age-hardenable copper containing alloy of aluminum. It is noted for applications at elevated temperatures.
Commonly used in the manufacture of structural components used in high temperature applications as well as high strength weldments.
ASTM B209, B211, B221, B241, B247, B316, B744, B745, B918
AMS 4031, 4066, 4068, 4143, 4144, 4162, 4295, 4313, AMS-A-22771
MIL A-46118, MIL A-46808, MIL A-8920, MIL-DTL-46118
QQ A-25030, QQ A-367, QQ A-430,