50WCrV8化學成分50WCrV8硬度是多少
50WCrV8電電學完分50WCrV8電電學完分認識50WCrV8近期價格行情50WCrV8方式50WCrV8新產品簡單50WCrV8電電學完分等請見推薦:++++++++++++++++++電電學完分電電學完分++++++++++++++++++50WCrV8材,圓棒,料號:1.2549EN鋼種:50WCrV8完成準則:ENISO4957的工具鋼C0.45-0.55Si0.7-1Mn0.15-,,0.45Pmax,,0.03Smax0.03Cr0.9-1.2Mo1.7-2.2V0.1-0....
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