Aluminum Alloy, Die and Hand Forgings 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr (7175-T74) Solution and Precipitation Heat Treated
经固溶和沉淀热处理的5.6Zn-2.5Mg-1.6Cu-0.23Cr(7175-T74)铝合金模锻件和手锻件
This specification covers an aluminum alloy in the form of die and hand forgings 6.000 inches (152.00 mm) and under in nominal thickness at time of heat treatment (see8.6).