1.2549材質單1.2549用途
1.2549質地原料單了解一下1.2549下面最新報價1.2549信息資訊1.2549設備簡價1.2549藥劑學好分之類的請見介紹一下:++++++++++++++++++質地原料單藥劑學好分++++++++++++++++++1.2549板材號:1.2549EN品牌:50WCrV8程序執行規范:ENISO4957APP鋼C0.45-0.55Si0.7-1,圓棒,Mn0.15-0.45,藥劑學好分,Pmax?0.03Smax?0.03Cr0.9-1.2Mo1.7-2.2V0.1-0.2硬性HB:229往上是關聯1...
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