钨系高速钢SKH2 SKH3 SKH4SKH10粉末高速钢SKH40 钨钼高速工具钢SK H50 SKH51 SKH52 SKH53 SKH54 SKH55 SKH56 SKH57 SKH58 SKH59工具用冷轧特殊钢带SK2M SK3M SJ4M SK5M SK6M SK7M SKS2M SKS5M SKS7M SKS51M SKS81M SKS95M中空钢 SKC3 SKC11 SKC24 SKC31 末涂层硬质合金A1 A40 CC F0 F1 G2 G3 G5 G6 G7 G8 G10E H1 H2 H3 ST10E ST15E ST20E ST25E ST30E ST40E T10A T3S U1 U10E涂层硬质合金AC720 AC805 AC815 AC835第(5)碳素钢SC360 SC37 S***10 S***50 S***6 S***80 S***9工程用铸钢200-400 (w) 230-450(W) 270-480