M42钢材类型：高速工具钢硬度：HB269以上
特点及适用性：特性:高红热硬度,高耐磨耗性与切削能力,高冲击韧性.晶粒细致均匀,韧性高. 用途: 主要用于高韧性精密耐磨五金冷冲模,也可用于切割工具及刀具等．刀具业:刮刀,滚齿刀,铁刀,钻头等锻造业:锻造模具螺丝业:六角等打头成型模具,牙攻,冲头 描述及材质：W2Mo9Cr4VCo8 化学成份: C:1.00~1.15 Mn :大于或等于0.40 Si: 大于或等于0.65 Cr:3.50~4.50 Mo:9.00~10.00 V:0.95~1.35 W:1.15~1.85 P:大于或等于0.030 S:大于或等于0.030 CO:7.50~8.50 热处理温度及参考办法: 温火:温度800~880摄氏度,以10~20摄氏度dHr炉冷至约600摄氏度. 应力消除:温度650~750摄氏度,炉中冷却主要特性是高钴韧性高速钢．淬硬温度是1170－1210Ｃ．
W18Cr4VSKH2(S18-0-1)(1.3355)T1T1 BT14201P18 Z80WCV 2018-4-1 SKH3S18-1-2-5(1.3255)T4T4 BT44271 Z80WKCV 18-05-04-01 SKH4A T5T5 BT54275 Z80WKCV 18-10-04-02 SKH4B T6T6 BT6 SKH10S12-1-4-5(1.3202) T15 BT154175P10K5 φ5 Z165WKCV 12-05-05-04 SKH9S6-5-2(1.3343)M2M2 BM24301 Z85WDCV 06-05-04-02 SKH52 M3-1M3-1 SKH53S6-5-3(1.3344)M3-2M3-2 SKH54 M4 BM144361 Z130WDCV 06-05-04-04 SKH55S6-5-2-5(1.3243) 4371 Z85WDKCV 06-05-05-04-02 SKH56 M36M36 SKH57S10-4-3-10(1.3207) W12Cr4V4Mo S12-4(1.3302) P14Φ4
