25CrMo
15CrMo.15CrMnMo.20CrMnMo
35CrMo,代用35SiMnMo 42CrMo,代用35SiMnMo 代用35SiMnMo
中日金属材料对照表(参考)
日本牌号 中国牌号 普通碳素钢琴 SS,SM-A A2,AY2,AJ2,A2F,AY2F,AJ2F SS34 B2,BY2,B2b2,B2F,B2F SM41A A3b,C3F SM41B AY3,C3 A3,A3F,AY3F,B3,BY3,B3F,A4 SS41 B3b,BY3F,A4F, SS50 A5,AY5,AJ5,A6 优质碳素结构钢琴 S-C,S-CK,SUP S09CK 08F,10 S10C 08,10,10F S12C S15C 15,15F S15CK 15 S17C S20C 20,20F S20CK 20 S22C 20,20F S25C S28C 25 S30C S33C 30 S35C S38C 35 S40C S43C 40 S45C S48C 45 S50C S53C 50 S55C 56 S58C 55.6 SUP3 85 铬钼合金钢材 STC,STB,STT,SCM STC STT STB 15CrMo,20CrMo SCM418 20CrMo SCM420(SCM22) 20CrMo,30CrNo,20CrMnMo SCM421(SCM23) 20CrMnMO,20CrMnTi 日本牌号 锰合金钢钢材 SMN,SMnC,S-C,SB SMn420(SMn21) SMn433(SMn1) SMn433 SMn438(SMn2) SMn443(SMn2) SMnC420(SMnC21) SMnC433(SMnC3) SMnC433 SB46 S28C S30C S35C S40C S45C S53C S58C 铬合金钢钢材SCr SCR415(SCr21) SCR420(SCr22) SCR430(SCr2) SCR435(SCr3) SCR440(SCr4) SCR445(SCr5) SCrb4 (大同制钢) 铬镍合金钢材料 SNC SNC236(SNC1) SNC415(SNC21) SNC631(SNC2) SNC815(SNC22) SNC836(SNC3)