1.2355材質單1.2355應力消除
1.2355質量單掌握1.2355今夭價格表1.2355咨訊1.2355成品簡潔1.2355藥劑學好分等請見說:++++++++++++++++++質量單藥劑學好分++++++++++++++++++1.2355文件號:1.2355EN類型:50CrM,,oV13-15完成標準化:ENISO4957用具鋼C0.45-0.55Si0.2-0.8Mn0.5-0.9Pmax0.03Smax0.02Cr3-3.5Mo1,,.3-1.7V0.1,,5-0.35抗拉強度HB:248上文是對應1....
查看更多