S390S590S690S790MH7MH8MH51MH-51MH55MH-55高速钢：SKH2SKH-2SKH9SKH-9SKH10SKH-10SKH51SKH-51SKH55SKH-55SKH56SKH57SKH58SKH59SKH-59W18Cr4V高速钢W12Cr4V4MoM4M2M35M42T1T4T5高速钢KM-2S200S400S401S404S500S600S607S700S705S290S390S590S690S790MH7MH8MH51MH-51MH55MH-55MH56MH64KM2YXM1YXM4HSP17HSP41HSP-41ASP23ASP-23ASP30ASP-30ASP60ASP-60HAP10HAP40DEX20DEX40DEX60DEX80W4W6W6Mo5Cr4V2美国高速钢部分牌号如T1T2T4T5T6T8T15M1M2M3M4M6M7M10M30M33M36M42M43M44M47M48M62M50M52)