... can be nego Investment-Casting 1) Materials: grey iron, ductile iron according to customer's standard 2) Standards: ASTM ... : sand blasting, oiled, zinc, nickel, chrome plating, painting, hot-dip galvanized and powder coating 5) Available processes: ... fittings, grating, frame, manhole covers, pump parts, hand-wheel, valve, flange, bollard, piling accessories, counterweight, iron, construction machinery ...