日本(日立、大同优质钢材):SLD DAC YCS3(YK30) SGT(SKS3) SKT5 S55C PDS-5 HPM50 SKD1 SK2 SKH3 SKD11 DH2F SKD61 FDAC DC53 NAK80 NAK55 SKH-9 S50C H3100 638 PX-88 SKH51 SK1 SK2 SK3 SK4 SK90 SK5 SK80 SK6 SK70 SK7 SK60 SKS11 SKS2 SKS21 SKS5 SKS51 SKS7 SKS81 SKS8 SKS4 SKS41 SKS43 SKS44 SKS3 SKS31 SKS91 SKS93 SKS95 SKD1 SKD2 SK10 SKD12 SKD4 SKD5 SKD6 SKD62 SKD7 SKD8 SKT3 SKT4 SKT6 XXM1 XXM4 MH51 MH55 MH8