SEMI-MANUFACTURED STEEL-NAMELY, PIG IRON, INGOT, SLAB, BILLET, BLOOM, WIRE ROD, STEEL TUBE, STEEL BAR, SHAPE STEEL, STEEL CASTINGS, STEEL PLATE, STEEL SHEET, STEEL COIL, HOOP, STEEL PIPE, STEEL FORGINGS, IRON CASTINGS, ROLLS, IRON POWDER, HEAD PLATE, CORRUGATED PIPES, CORRUGATED PIPE CELLS