40CrMnNiMo8-6-4是什么材料40CrMnNiMo
2018-03-30 40CrMnNiMo8-6-4是什么材料了解40CrMnNiMo8-6-4今日報價40CrMnNiMo8-6-4資訊40CrMnNiMo8-6-4產品簡介40CrMnNiMo8-6-4化學成分等等請見介紹:++++++++++++++++++是什么材料化學成分++++++++++++++++++40CrMnNiMo8-6-4材料號:1,密度,.2738EN牌號:40CrMn,,NiMo8-6-4執行標準:ENISO4957工具鋼C0.35-0.45Si0.2-0.4Mn1.3...