| 7304.90.50 | 00 | Of iron or nonalloy steel | kg | Free | | 25% |
| 7304.90.70 | 00 | Of alloy steel | kg | Free | | 35% |
| 7305 | | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross sections, the external diameter of which exceeds 406.4 mm, of iron or steel: | | | | |
| 7305.11 | | Longitudinally submerged arc welded: | | | | |
| 7305.11.10 | | Of iron or nonalloy steel | | Free | | 5.5% |
| 7305.11.10 | 30 | With an external diameter exceeding 406.4 mm but not exceeding 609.6 mm | kg | | | |
| 7305.11.10 | 60 | With an external diameter exceeding 609.6 mm | kg | | | |
| 7305.11.50 | 00 | Of alloy steel | kg | Free | | 10% |
| 7305.12 | | Other, longitudinally welded: | | | | |
| 7305.12.10 | | Of iron or nonalloy steel | | Free | | 5.5% |
| 7305.12.10 | 30 | With an external diameter exceeding 406.4 mm but not exceeding 609.6 mm | kg | | | |
| 7305.12.10 | 60 | With an external diameter exceeding 609.6 mm | kg | | | |
| 7305.12.50 | 00 | Of alloy steel | kg | Free | | 10% |
| 7305.19.10 | | Of iron or nonalloy steel | | Free | | 5.5% |
| 7305.19.10 | 30 | With an external diameter exceeding 406.4 mm but not exceeding 609.6 mm | kg | | | |
| 7305.19.10 | 60 | With an external diameter exceeding 609.6 mm | kg | | | |
| 7305.19.50 | 00 | Of alloy steel | kg | Free | | 10% |
| 7305.20.20 | 00 | Of iron or nonalloy steel: | | | | |
| 7305.20.60 | 00 | Of alloy steel: | | | | |
| 7305.31 | | Longitudinally welded: | | | | |
| 7305.31.20 | 00 | Tapered pipes and tubes of steel principally used as parts of illuminating articles | kg | Free | | 45% |
| 7305.31.40 | 00 | Of iron or nonalloy steel | kg | Free | | 5.5% |
| 7305.31.60 | 00 | Of alloy steel | kg | Free | | 10% |
| 7305.39.10 | 00 | Of iron or nonalloy steel | kg | Free | | 5.5% |
| 7305.39.50 | 00 | Of alloy steel | kg | Free | | 10% |
Harmonized Tariff Schedule of the United States inquiry: 3920590000
