序号产品大类牌号美标日标欧标ASTMJISEN1优质碳素结构钢10-601010-1060S10C-S58CC25-C602合金结构钢20Mn2SMn42030Mn21330SMn433128Mn635Mn2-45Mn21335-1345SMn438-SMn44315Cr(A)5115SCr41517Cr3120Cr-45Cr5120-5145SCr420-SCr44528Cr4-41Cr450Cr515015CrMo-20CrMo4118SCM415-SCM42030CrMo-42CrMo4130-4140SCM430-SCM44018CrMo438CrMoAlSACM64550CrVA615050CrV412CrNi3SNC415/SNC81530CrNi3SNC63137CrNi3SNC83620CrNiMo8620/8720SNCM22040CrNiMoA4340SNCM43920CrMoHSCM4203弹簧钢65-851065-1084SUP2-SUP3Ck67-Ck8565Mn156655Si2Mn9255SUP656Si760Si2MnA9260SUP760Si2CrASWOSC-V61SiCr755CrMnA5155SUP955Cr360CrMnA5160SUP9A60CrMnMoA4161SUP1360CrMo3350CrVA6150SUP10A50Cr460CrMnBA51B60SUP11A60CrB355SiCr92544轴承钢GCr650100SKF9(瑞典Sweden)GCr951100SUJ1SKF13(瑞典Sweden)GCr1552100SUJ2SKF3(瑞典Sweden)GCr15SiMnSKF3312(瑞典Sweden)■ 专业用钢序号产品大类企标或协议美标日标欧标ASTMJISEN1齿轮用钢SAE8617H-8627HSAE8617H-8627HSNCM22020NiCrMo(S)2-218CrNiMo7-618CrNiMo7-616-28MnCr516-28MnCr52传动轴用钢SAE8617H8617HSNCM22020NiCrMo(S)2-2SAE8620H8620HSNCM22020NiCrMo(S)2-2UC1,UC2CK53,CK453冷镦钢20-42CrMo4118-4142SCM415-44034-42CrMo4ML15Mn-35Mn1015-1035SWR8A(K)-35A(K)XC12-XC48ML20Cr-ML40Cr5120-5140SCr44041Cr44易切削用钢Y12SUM11Y15SUM25