| 7306.21 | 000 | Welded, of stainless steel |
| 7306.29 | 100 | 1 Of alloy 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 | 011 | -- Plated or coated |
| 7306.30 | | - Carbon steel tubes for general structural purposes |
| 7306.30 | 021 | -- Plated or coated |
| 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 | 100 | 1 Of alloy steel |
| 7306.61 | 910 | - With any side of 200mm or more |
| 7306.69 | | Of other non-circular cross-section |
| 7306.69 | 100 | 1 Of alloy steel |
| 7306.90 | 010 | 1 Of alloy steel |
| 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 |
| 7307.91 | 000 | Flanges |
Harmonized Tariff Schedule of Japans inquiry: 9606.00
