1.2549材質單1.2549用途
1.2549質材單了解到1.2549昨日市場價1.2549講解1.2549車輛介簡1.2549耐腐蝕金屬材質之類請見講解:++++++++++++++++++質材單耐腐蝕金屬材質++++++++++++++++++1.2549的原材料號:1.2549EN品種:50WCrV8繼續執行的標準:ENISO4957機器鋼C0.45-0.55Si0.7-1,圓棒,Mn0.15-0.45,耐腐蝕金屬材質,Pmax?0.03Smax?0.03Cr0.9-1.2Mo1.7-2.2V0.1-0.2氏硬度HB:229之上是涉及到的1...
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