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SAE AMS 4078L-2023
Aluminum Alloy Sheet and Plate, 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr, 7075: (-T73 Sheet, -T7351 Plate), Solution Heat Treated and Overaged
This specification covers an aluminum alloy in the form of sheet and plate over 0.039 to 4.000 inches (over 0.991 to 101.60 mm), inclusive, in thickness (see 8.6 ).
Society of Automotive Engineers [sae]