| 7305.11 | | Longitudinally submerged arc welded |
| 7305.12 | | Other, longitudinally welded |
| 7305.20 | | Casing of a kind used in drilling for oil or gas |
| 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 |
| 73.06 | | Line pipe of a kind used for oil or gas pipelines |
| 7306.19 | | Casing and tubing of a kind used in drilling for oil or gas |
| 7306.30 | | Other, welded, of circular cross-section, of iron or non-alloy steel |
| 7306.30 | | - Carbon steel tubes for general structural purposes |
| 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 | | Of square or rectangular cross-section |
| 7306.69 | | Of other non-circular cross-section |
| 73.07 | | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel |
| 7307.23 | 000 | Butt welding fittings |
| 7307.93 | | Butt welding fittings |
| 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 |
| 7308.40 | 000 | Equipment for scaffolding, shuttering, propping or pit-propping |
| 7308.90 | 010 | - Structures and parts thereof |
| 7309.00 | 000 | Reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment |
| 73.10 | | Tanks, casks, drums, cans, boxes and similar containers, for any material (other than compressed or liquefied gas), of iron or steel, of a capacity not exceeding 300l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment |
Harmonized Tariff Schedule of Japans inquiry: /etc/passwd
