50WCrV8化學成分50WCrV8硬度是多少
50WCrV8生物學精分50WCrV8生物學精分清楚50WCrV8今早來報價50WCrV8咨訊50WCrV8物品詳細解釋50WCrV8生物學精分等一等請見解釋:++++++++++++++++++生物學精分生物學精分++++++++++++++++++50WCrV8材,圓棒,料號:1.2549EN鋼號:50WCrV8執行工作規范:ENISO4957平臺鋼C0.45-0.55Si0.7-1Mn0.15-,,0.45Pmax,,0.03Smax0.03Cr0.9-1.2Mo1.7-2.2V0.1-0....
查看更多