Forged and casting valve body: 1.100% Traceability 2.ISO,BS,DIN,JIS,AISI etc. 3.Fine surface finish & tight tolerances 4.NDT High quality forged and casting valve body specification:Material: cast iron, cast steel, grey or ductile iron, carbon steel,alloy steel, stainless steel, stainless iron,and as per clients' requriementsCasting steel similar grade refrence chart GBASTMUNSDINW-Nr.JISBSZG200- ...