钨钢:G1 G2 G5 G6 G7 V30 V40 D30 D40 D50 K05 K10 K20 YG8 YG9 YG12 YG15 YG20 YG25 YG28 CD650 CD636 CD750 K10 K20 KG05 KG1 KG2 KG3 KG4 KG5 KG6 KG7 ST6 ST7 EA65 EA90 VA70 VA80 VA90 VA95 HA60 HA70 NA10 NA30 NA70 KR10 KR15 KR20 SK25 WF03 WF05 WF10 WF15 WF20 WF25
