Common metals, unwrought or semi-wrought, and their alloys; pipes of metal, namely, precision tubes made in carbon iron of low and middle alloy

Common metals, unwrought or semi-wrought, and their alloys; anchors, anvils, bells, rolled and cast construction materials; metallic rails and other metallic materials for railway tracks; chains (excluding drive chains for vehicles); non-electric cables and wires of metal; locksmithing; pipes of metal; safety boxes and chests; steel balls; horseshoes; nails and screws; other (non-precious) metal products) not included in other classes; ores