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根据美国航天材料规范AMS 4107C的规定,对于7050合金(6.2Zn-2.3Cu-2.2Mg-0.12Zr)的T736状态,改为T74。此合金是一种高强度铝合金,用于加工模锻件与锻坯。T74状态是煅件在固溶处理后再进行过
The T736 condition for the 7050 alloy (6.2Zn-2.3Cu-2.2Mg-0.12Zr) was changed to T74 according to ASM AMS 4107C. This alloy is a high-strength aluminum alloy used for processing forgings and forging blanks. T74 state is the calcined pieces in the solution treatment before