| 7305.31.40 | 00 | Other: | | | | |
| 7305.31.40 | 00 | Of iron or nonalloy steel | kg | Free | | 5.5% |
| 7305.39 | | Other: | | | | |
| 7305.39.10 | 00 | Of iron or nonalloy steel | kg | Free | | 5.5% |
| 7305.90 | | Other: | | | | |
| 7305.90.10 | 00 | Of iron or nonalloy steel | kg | Free | | 5.5% |
| 7306 | | Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: | | | | |
| 7306.11.00 | | Line pipe of a kind used for oil or gas pipelines: | | | | |
| 7306.11.00 | 10 | With an outside diameter not exceeding 114.3 mm | kg | | | |
| 7306.11.00 | 50 | With an outside diameter exceeding 114.3 mm | kg | | | |
| 7306.19 | | Other: | | | | |
| 7306.19.10 | | Of iron or nonalloy steel | | Free | | 5.5% |
| 7306.19.10 | 10 | With an outside diameter not exceeding 114.3 mm | kg | | | |
| 7306.19.10 | 50 | With an outside diameter exceeding 114.3 mm | kg | | | |
| 7306.19.51 | 10 | With an outside diameter not exceeding 114.3 mm | kg | | | |
| 7306.19.51 | 50 | With an outside diameter exceeding 114.3 mm | kg | | | |
| 7306.21 | | Casing and tubing of a kind used in drilling for oil or gas: | | | | |
| 7306.21.30 | 00 | Threaded or coupled | kg | Free | | 28% |
| 7306.21.40 | 00 | Other | kg | Free | | 8.5% |
| 7306.21.80 | 10 | Imported with coupling | kg | | | |
| 7306.21.80 | 50 | Other | kg | | | |
| 7306.29.10 | | Other: | | | | |
| 7306.29.10 | | Of iron or nonalloy steel: | | | | |
| 7306.29.10 | | Threaded or coupled | | Free | | 20% |
| 7306.29.10 | 30 | Imported with coupling | kg | | | |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
