| 7304.49 | | Other, of circular cross-section, of other alloy steel |
| 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 |
| 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 |
| 7306.11 | 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 |
| 7306.40 | 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 |
Harmonized Tariff Schedule of Japans inquiry: /etc/passwd
