合金工具钢 9SiCr t30100 8MnSi T30000 Cr06 T30060 Cr2 T30200 W T30001 4CrW2Si T40124 5CrW2Si T40124 6CrW2Si T40126 6CrMnSi2Mo1V T40100 5Cr3Mn1SiMo1V T40300 Cr12 T21200 Cr12Mo1V1 T21202 Cr12MoV T21201 Cr5Mo1V T20503 9Mn2V T20000 CrWMn T20111 9CrWMn T20110 Cr4W2MoV T20421 7CrSiMnMoV T20104 6Cr4W3Mo2VNb T20432 6W6Mo5Cr4V T20465 5CrMnMo t20102 5CrNiMo T20103 3Cr2W8V T20280 5Cr4Mo3SiMnVAl T20403 3Cr3Mo3W2