• Heat treatable
  • Principal Alloying Element: Magnesium & Silicon (approx. 1.0%)
  • Tensile strength: 18 to 58 ksi

Used predominantly in extrusions. Can be crack-sensitive & should not be welded without filler material.


AMS 4117
ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B234, ASTM B241, ASTM B247, ASTM B307,
ASTM B313, ASTM B316, ASTM B345, ASTM B361, ASTM B404, ASTM B429, ASTM B483, ASTM B547,
ASTM B548, ASTM B632, ASTM F467, ASTM F468
DIN 3.3211
MIL A-12545, MIL-A-22771, MIL-F-17132A, MIL-F-18280, MIL-F-3900, MIL-F-3922, MIL-G-18014, MIL-G-18015,
MIL-P-25995, MIL-T-7081, MIL-W-23351, MIL-W-85
QQ-A-200/16, QQ-A-200/8, QQ-A-225/8, QQ-A-250/11, QQ-A-367, QQ-A-430, WW-T-700/6
SAE J454
UNS A96061