LY16 、 LY17铝合金
铝材:1A991A971A951A931A851A801A7013701060105010501350114510351100120012352A017079ALZNMGCU0.5ALCUMG22030ALCUMGPB7005ALZN4.5MG170207072ALZN17075A7075ALZNMGCU1.52017A2024A2024P40044032404340475A015A025A055A135A665005501952515154545455545754505653565456508250835183508661016101600563516063607060827A017A037A047A057A097A107A157A197A317A337003700570207022707574758A06801180902014221420142117221826182219202421243A213003300430054A014A114A134A172A04.......)