... alloy Casting to be tested with 30 P.S.I air pressure under water Die and mold casting process Can offer ... and cutting, milling, grinding, drilling and reaming and threading Surface finish process: polishing shot blasting, chromate plating, power coated and anodizing ... : 200 to 500 tons/month Nozzle Body Casting Mold,30psi Air Pressure Under Water and Power Coated Surface Finish