| 73.04 | | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel |
| 73.02 | | Railway or tramway track construction material of iron or steel, the following : rails, check-rails and rack rails, switch blades, crossing frogs, point rods and other crossing pieces, sleepers (cross-ties), fish-plates, chairs, chair wedges, sole plates (base plates), rail clips, bedplates, ties and other material specialized for jointing or fixing rails |
| 7304.31 | | Cold-drawn or cold-rolled (cold-reduced) |
| 7304.41 | | Cold-drawn or cold-rolled (cold-reduced) |
| 7304.51 | | Cold-drawn or cold-rolled (cold-reduced) |
| 73.05 | | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4mm, of iron or steel |
| 7305.11 | | Longitudinally submerged arc welded |
| 7305.12 | | Other, longitudinally welded |
| 7305.20 | | Other, welded |
| 7305.31 | | Longitudinally welded |
| 73.06 | | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel |
| 7306.11 | 000 | Welded, of stainless steel |
| 7306.21 | 000 | Welded, of stainless steel |
| 7306.30 | | Other, welded, of circular cross-section, of iron or non-alloy steel |
| 7306.40 | 000 | Other, welded, of circular cross-section, of stainless steel |
| 7306.50 | 000 | Other, welded, of circular cross-section, of other alloy steel |
| 7306.50 | | Other, welded, of non-circular cross-section |
| 7306.61 | 910 | - With any side of 200mm or more |
| 73.07 | | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel |
| 7307.22 | 000 | Threaded elbows, bends and sleeves |
| 7307.23 | 000 | Butt welding fittings |
| 7307.92 | 000 | Threaded elbows, bends and sleeves |
| 7307.93 | | Butt welding fittings |