50WCrV8化學成分50WCrV8硬度是多少
50WCrV8有機電學完分50WCrV8有機電學完分說明50WCrV8明日價格查詢50WCrV8訊息50WCrV8品牌概況50WCrV8有機電學完分等等等等 請見說明:++++++++++++++++++有機電學完分有機電學完分++++++++++++++++++50WCrV8材,圓棒,料號:1.2549EN鋼號:50WCrV8執行命令條件:ENISO4957器具鋼C0.45-0.55Si0.7-1Mn0.15-,,0.45Pmax,,0.03Smax0.03Cr0.9-1.2Mo1.7-2.2V0.1-0....
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