50WCrV8化學成分50WCrV8硬度是多少
50WCrV8生物因素50WCrV8生物因素認識50WCrV8接下來最新報價50WCrV8新聞資訊50WCrV8產品簡單解紹50WCrV8生物因素性功能下降請見解紹:++++++++++++++++++生物因素生物因素++++++++++++++++++50WCrV8材,圓棒,料號:1.2549EN品牌:50WCrV8實施細則:ENISO4957方法鋼C0.45-0.55Si0.7-1Mn0.15-,,0.45Pmax,,0.03Smax0.03Cr0.9-1.2Mo1.7-2.2V0.1-0....
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