| 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 |
| 7306.11 | 000 | Welded, of stainless steel |
| 7306.19 | | Casing and tubing of a kind used in drilling for oil or gas |
| 7306.21 | 000 | Welded, of stainless steel |
| 7306.30 | | Other, welded, of circular cross-section, of iron or non-alloy steel |
| 7306.30 | | - Carbon steel pipes for ordinary piping |
| 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 |
| 7306.61 | 910 | - With any side of 200mm or more |
| 7306.69 | | Of other non-circular cross-section |
| 73.07 | | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel |
| 73.07 | | Cast fittings |
| 7307.11 | 000 | Of non-malleable cast iron |
| 7307.19 | | Other, of stainless steel |
| 7307.21 | 000 | Flanges |
| 7307.22 | 000 | Threaded elbows, bends and sleeves |
| 7307.23 | 000 | Butt welding fittings |
| 7307.91 | 000 | Flanges |
Harmonized Tariff Schedule of Japans inquiry: /etc/passwd
