Flange iron & steel castings 1.Cast iron&cast steel,bronz,Aluminiu 2.ISO9001:2000 3.Sand cast,lost wax casting 4.ASTM,DIN Flange castingSteel flangeIron flangeCover ring castingInvestment castingDie casting ItemDescriptionMaterialTechnical Process1Ductile ironcastingsASTM A 536-Gr.60-40-18,65-45-12,80-55-06,80-60-03;DIN-GGG40,GGG50,GGG60,GGG70;JIS-FCD40,FCD50,FCD60,FCD70;BS-Gr370-17,Gr420-12, ...