Flange iron & steel castings 1.Cast iron&cast steel,bronz,Aluminiu 2.ISO9001:2000 3.Sand cast, ... , 304;DIN-G-X6CrNi18 9(1.4308), G-X7Cr13(1.4001)G-X20Cr14(1.4027), 1.4408;JIS-SCS13, SCS 1, SCS 2, SCS 14A ... wax casting(Investment casting)Electric-furnace smelting OEM serviceMaterial: gray iron, ductile iron, carbon steel, stainless steel, alloy steelProcess: sand casting ,investment ...