Ductile Iron Material: Ductile Iron Standard: ASTM, JIS, BS, DIN, EN Operation: green sand casting and resin sand casting Material: Ductile Iron65-45 ... -12 etc.Standard: ASTM, JIS, BS, DIN, EN, ISO Operation: green sand ... : pipes and its fittings, grating, frame, manhole covers, pump parts, handwheel, valve, flange, bollard, pilingaccessories, counterweight iron, ...