HS7-4-2-5 / 1.3246 steel bar 1.Good quality and price for 10 year's experience 2.ISO9001, ISO14001, GB/T28001 Certifications ... steel, Duplex and super duplex steel, alloy QT steel, high temperature steel, case hardened steel, Stainless steel, Titanium and its ... .Based on strong technology team,we produce high level special steels .4)Quality Warranty:Yuanfang established top class Physical and chemical ...