金屬材料對照表 ; 碳素鋼Carbon Steel. S20C, 1020 ; 鎳鉻鉬鋼Nickel Chromium Molybdenum Steel. SNCM 625, A572 Grade60 ; 冷/熱軋不銹鋼捲C.R/H.R. & Rerolling Stainless ...
確定! 回上一頁