HS7-4-2-5 / 1.3246 steel bar 1.Good quality and price for 10 year's experience 2.ISO9001, ISO14001, GB/T28001 ... process able material: Carbon steel, Duplex and super duplex steel, alloy QT steel, high temperature steel, case hardened steel, Stainless steel ... , Titanium and its alloy, Die steel, etc Plastic Mould Steel: S55C, P20(1.2311 ...