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 ... and its fittings, grating, frame, manhole covers, pump parts, handwheel, valve, flange, bollard, pilingaccessories, counterweight iron, construction machinery parts and other industry machinery ...