• Heat treatable
  • Principal Alloying Element: Copper (0.7 to 6.8%)
  • Tensile strength: 27 to 62 ksi

Often used for aerospace and aircraft, offers excellent strength and high performance.


AMS 4037, AMS 4120, AMS 4192, AMS 7223
ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B316, ASTM F467, ASTM F468
DIN 3.1355
MIL-B-6812, MIL-T-15089, MIL-T-50777
QQ-A-200/3, QQ-A-225/6, QQ-A-250/4, QQ-A-430, WW-T-700/3
SAE J454