| 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 | | Other: | | | | |
| 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 | | Casing of a kind used in drilling for oil or gas: | | | | |
| 7305.20.20 | 00 | Of iron or nonalloy steel: | | | | |
| 7305.20.20 | 00 | Threaded or coupled | kg | Free | | 20% |
| 7305.20.40 | 00 | Other | kg | Free | | 1% |
| 7305.20.60 | 00 | Of alloy steel: | | | | |
| 7305.20.60 | 00 | Threaded or coupled | kg | Free | | 28% |
| 7305.20.80 | 00 | Other | kg | Free | | 8.5% |
| 7305.31 | | Other, welded: | | | | |
| 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 | Other: | | | | |
| 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 | | Other: | | | | |
| 7305.39.10 | 00 | Of iron or nonalloy steel | kg | Free | | 5.5% |
| 7305.39.50 | 00 | Of alloy steel | kg | Free | | 10% |
| 7305.90 | | Other: | | | | |
| 7305.90.10 | 00 | Of iron or nonalloy steel | kg | Free | | 5.5% |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
