... Grey iron, Ductile iron, Malleable Iron, Stainless steel, Carbon Steel, Aluminum, Brass, Bronze or specified 3. ... Casting, Machining, Metalworking, Sheet Metal Bending, Surface Treatment, Heat Treatment, Griding, Milling, wire EDM, Linear ... water glass process2.Material: stainless steel, carbon steel, alloy steel, white steel, copper, brass or on request3 ...