Brass, unwrought or semi-wrought; Cast iron, unwrought or semi-wrought; Castings, foils, powder, and rolled, drawn or extruded semi-finished articles of copper or its alloys; Castings, foils, powder, and rolled, drawn or extruded semi-finished articles of nickel or its alloys; Castings, foils, powder, and rolled, drawn or extruded semi-finished articles of tin or its alloys; Common metal powders used in manufacturing; Iron and steel for use as raw materials for automobile parts; Metallic flan...