1.sand casting pump body 2.Material:Grey iron 3.Process:sand casting 4.Quality Assurance 5.Test:chemical composition,ten Mine water pump Body.Material: Grey iron GJS450-10Standard: ASTM, JIS, BS, DIN, EN, ISOOperation: green sand casting and resin sand castingSurface finish: sand blasting, sand blasting, oiled, zinc, nickel, chrome plating, painting, hot dip galvanized and powder coating ...