1215易切削钢 1215易切削钢 1215易切削钢
Y15_Y15 Y15 Y15 Y15 Y15 Y15 Y15
Y15Pb_Y15Pb_Y15Pb Y15Pb Y15Pb
CrWMn_CrWMn CrWMn CrWMn CrWMn
9CrWMn_9CrWMn_9CrWMn 9CrWMn 9CrWMn
9SiCr_9SiCr_9SiCr 9SiCr 9SiCr
9Mn2V_9Mn2V 9Mn2V 9Mn2V 9Mn2V
模具钢DF2 优特钢DF2 DF2模具钢
7Cr7Mo3V2Si_7Cr7Mo3V2Si 7Cr7Mo3V2Si
6W6Mo5Cr4V_6W6Mo5Cr4V 6W6Mo5Cr4V