日本牌号中国牌号A2,AY2,AJ2,A2F,AY2F,AJ2FB2,BY2,B2b2,B2F,B2FSM41AA3b,C3FSM41BAY3,C3A3,A3F,AY3F,B3,BY3,B3F,A4B3b,BY3F,A4F,SS50A5,AY5,AJ5,A6S09CK08F,10S10C08,10,10FS12CS15CS15CK15S17CS20CS20CK20S22C20,20F S25CS28CS30CS33CS35C S38CS40CS43CS45CS48CS50CS53CS55C56S58C55
6SUP385STCSTTSTBSCM41820CrMoSCM420(SCM22)20CrMo,30CrNo,20CrMnMoSCM421(SCM23)20CrMnMO,20CrMnTi铬钼合金钢材 STC,STB,STT,SCM15CrMo,20CrMo404550中日金属材料对照普通碳素钢琴 SS,SM-ASS34253035SS41优质碳素结构钢琴 S-C,S-CK,SUP15,15F20,20FSCM430(SCM2)30CrMo,35CrMo(代用)385SiMnMoSCM432(SCM1)35CrMo,代用30CrMo,代用38SiMnMosncm220(sncm21)20CrMosncm240(sncm6)34CrNiMoA
代用40CrMnMosncm415(sncm22)代用15CrMnMosncm420(sncm23)代用20CrMnMosncm431(sncm1)34CrNiMoA
代用40CrMnMAsncm439(sncm18)34CrNiMoA
40CrNiMoA代用37CrMnMAsncm447(sncm9)代用45CrMnMASMK2220CrMnTi大同制钢30CrMnTiSACM645(SACM1)38CrMoA1SMAN420H(SM