⑴美國ASTM標(biāo)準(zhǔn)系列合金鋼4130,4135,4340,4145,5120,5130,5140,5154,8620,8640⑵德國合金結(jié)構(gòu)鋼系例34CrNiMo6,42Crmo4,34Crmo4,34Cralmo5,34Crnimo6,50Crmo4,41Cr4,15Crmo5,20Crmo5,24Crmov55,16Crmo44,13Crmo44,0Crv4,42Crv6,20Mncr4,37Cr4,34Cr4,42Mnvt,15Mnv5,37Mnsi5,46Mnsi4⑶日本合金結(jié)構(gòu)鋼號 SUF10,SAPH440,SCM415,SCM420,SCM430,SCM435,SCM440,SCM445,SMN420,SMN21,SMN433,SCR435,SCR440,SCR445,SACM645,SNCM420,SNCM415；