Unwrought and partly wrought common metals and their alloys, steel, steel alloys, steel balls, steel wires, cast iron steel, steel sheets, steel tubes, rods and pipes, carbon steel, alloyed steels; laminated and smelted materials; non electric metal cables and wires; wrought rods and castings; drilled rods, welded and worked pieces namely cast products, ingots, hot rolled, cold finished round bars, square-cornered billets and blooms, wire-rods, cold drawn wires, blooms and billets, round bars, hot rolled hexagons, octagons, turned bars, drawn bars, ground bars, square billets, hot rolled round bars; all being goods in this class