... The materials we used for castings include carbon steel, alloy steel, stainless steel, refractory steel, ductile iron, ... part: 1.Material: carbon steel, alloy steel, stainless steel, aluminum alloy, zinc alloy, brass, gray iron, nodular cast ... Chrome Plating Polished Brass Nickel Plating Electrophoresis Dichromate Vibratory Milling & Electropolish Powder Coating Painting Anodization Phosphating ...