... : alloy steel Quality guarantee Short delivery time Investment casting roller ringWeight: 0.1 to 80kgMaterials: cast iron, ductile ... alloy, stainless steel, brass, aluminum and zinc-alloy Used in metallurgy, automobile, aero, chemical, ship hardware and other engineering ... including teeth and serrations. Water glass castings may range in weight from several ounces to approximately 175 pounds.First ...