6 (Based on 44(e)) Common metals and their alloys, in particular curable alloys, iron alloys, steel, copper alloys, combination copper-zinc alloys, brass, special brass, bronzes, nickel silver, leaded nickel silver, combination copper-tin-zinc alloys, combination copper-nickel-tin alloys, combination copper-nickel-zinc alloys, combination copper-nickel-zinc-lead alloys, light metals and their alloys, aluminum alloys, combination copper-zinc-aluminum alloys; goods made from the above common metals and alloys, namely, strips in the nature of metal sheets, surface-coated strips in the nature of metal sheets, hot-tin-plated strips in the nature of metal sheets, profiled strips in the nature of metal sheets and stepped strips in the nature of metal sheets, sheets, wires, semi-finished products in the nature of sheets, plates, rods, hollow rods, pipes, coils, slabs, ingots and tubes, metal bars for further manufacture, contact wires, non-electric catenary cables of metal, die forging parts in the nature of rings, casings and tube connectors; goods made from the above common metals and alloys, namely, disk-shaped and metal sheets; goods made from the above common metals and alloys, namely, steel rods, hollow steel rods, decorative metal profiles for use in further manufacture, metal profiles made of steel, iron, nickel silver, and other light metals and their alloys; goods made from the above common metals and alloys, namely, decorative metal profiles that are hollow for use in further manufacture, pipes, and key blanks; goods made from the above common metals and alloys, namely, shaped parts of metal in the nature of sheets, rods, bars, billets; goods made from the above common metals and alloys, namely, rolled and cast components in the nature of sheets, bars, ingots, slabs, rods and billets; goods made from the above common metals and alloys, namely, fittings in the nature of hollow rods and pipe fittings