7Mn15Cr2Al3V2WMo工具钢
6CrMnSi2Mo1V合金..
5CrW2Si 6CrW2S..
Cr2工具钢,4CrW2Si
7Mn15Cr2Al3V2W..
Cr06 4Cr5w2VSi..
8MnSi,3Cr2Mo工具钢