日本大同DAIDO、日立HITACHI模具钢:DHA1,DH31-S,DH2F,DH21,DH42,GFA,MH51
,MH55,MH8,DEX20,DEX40,HPM-7,HPM-50,HPM-38,
S50C,S45C,CENA1,DAC45,SKH-9,SKH-55,
SKH-51,SKH-57,SKH-59,SKD62,DAC10,DAC55,
SLD-8,SLD-10,ARK1,YXM1,YXM4,YXR3,YXR33,
HAP-10,HAP-40,HAP72,NP8,NP9,YSS,THD3