| 73.04 | | Line pipe of a kind used for oil or gas pipelines |
| 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 |
| 7304.19 | | Casing, tubing and drill pipe, of a kind used in drilling for oil or gas |
| 7304.22 | 000 | Drill pipe of stainless steel |
| 7304.23 | | Other drill pipe |
| 7304.31 | 010 | 1 Drill pipe |
| 7304.39 | 010 | 1 Drill pipe |
| 7304.41 | 010 | 1 Drill pipe |
| 7304.49 | 010 | 1 Drill pipe |
| 7304.51 | 010 | 1 Drill pipe |
| 7304.59 | 010 | 1 Drill pipe |
| 7304.90 | 050 | 1 Drill pipe |
| 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 |
| 73.05 | | Line pipe of a kind used for oil or gas pipelines |
| 73.06 | | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel |
| 73.06 | | Line pipe of a kind used for oil or gas pipelines |
| 7306.30 | | - Carbon steel pipes for ordinary piping |
| 73.07 | | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel |
| 7307.93 | 010 | -Of carbon steel(manufactured with steel specified in Note 1 (d) to Chapter 72, but excluding those manufactured with other alloy steel specified in Note 1 (f) to Chapter 72) |
| 73.08 | | Structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns), of iron or steel; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel |
| 73.12 | | Stranded wire, ropes, cables, plaited bands, slings and the like, of iron or steel, not electrically insulated |
| 7312.10 | | Stranded wire, ropes and cables |
| 7312.10 | | - Ropes and cables |
Harmonized Tariff Schedule of Japans inquiry: The
