Alloys of common metal; Brass, unwrought or semi-wrought; Cast iron, unwrought or semi-wrought; Cast steel; Chrome iron; Common metals, unwrought or semi-wrought; Fences of metal; Iron slabs; Metal furnace grates; Plated steels; Stainless steel pipes; Steel alloys; Steel alloys unwrought or semi-wrought; Steel pipes; Steel sheets