... .ASTM,DIN,JIS,BS;ISO:NF Butterfly valve body and disc CastingsCast iron and cast steel,aluminium and ... materials are as follows: ItemDescriptionMaterialTechnical Process1Ductile ironcastingsASTM A 536-Gr.60-40-18,65-45- ... 20,25,30,35,40,45,50;ASTM A126-Class A, Class B, Class C;DIN- ... );JIS-SCMn3, SCW480, SCSiMn2, SCCrM3, SCMnCR3;ASTM-LCCUNS-J02505, J13048NF-G20M6, G35CrMo4Soluble glass sand mouldingResin ...