1.2549材質單1.2549用途
1.2549木頭木頭材質單分析1.2549如今售價1.2549信息資訊1.2549物料簡潔1.2549耐腐蝕成份性功能下降請見推薦:++++++++++++++++++木頭木頭材質單耐腐蝕成份++++++++++++++++++1.2549產品號:1.2549EN鋼材牌號:50WCrV8執行工作條件:ENISO4957專用工具鋼C0.45-0.55Si0.7-1,圓棒,Mn0.15-0.45,耐腐蝕成份,Pmax?0.03Smax?0.03Cr0.9-1.2Mo1.7-2.2V0.1-0.2洛氏硬度HB:229這些是相關的1...
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