1.3244材質(zhì)單1.3244硬度是多少
2018-03-30
1.3244材質(zhì)單了解1.3244今日報價1.3244資訊1.3244產(chǎn)品簡介1.3244化學成分等等請見介紹:++++++++++++++++++材質(zhì)單化學成分++++++++++++++++++1.3244材料號:1.3244EN牌號:HS6-5-3-8執(zhí)行標準:ENISO4957工具鋼,,◎化學成分:C1.23-1.33Simax0.7Mnmax0.4Pmax0.03Smax0.03Cr3.8-4.5Mo4.7-5.3W5.9-6.7V2.7-3.2Co8-8.8硬度H...