1.2355材質單1.2355應力消除
1.2355質材單熟悉1.2355今回最新報價1.2355咨詢1.2355廠品簡單1.2355物理化學工業因素這些等等請見推薦:++++++++++++++++++質材單物理化學工業因素++++++++++++++++++1.2355材質號:1.2355EN鋼材型號:50CrM,,oV13-15履行標:ENISO4957器具鋼C0.45-0.55Si0.2-0.8Mn0.5-0.9Pmax0.03Smax0.02Cr3-3.5Mo1,,.3-1.7V0.1,,5-0.35硬性HB:248上面是關聯1....
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