| 7304.31 | | Other, of circular cross section, of iron or nonalloy steel: | | | | |
| 7304.41 | | Other, of circular cross section, of stainless steel: | | | | |
| 7304.51 | | Other, of circular cross section, of other alloy steel: | | | | |
| 7304.90.10 | 00 | Of iron or nonalloy steel | kg | Free | | 1% |
| 7304.90.50 | 00 | Of iron or nonalloy steel | kg | Free | | 25% |
| 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: | | | | |
| 7305.11.10 | | Of iron or nonalloy steel | | Free | | 5.5% |
| 7305.12.10 | | Of iron or nonalloy steel | | Free | | 5.5% |
| 7305.19.10 | | Of iron or nonalloy steel | | Free | | 5.5% |
| 7305.20.20 | 00 | Of iron or nonalloy steel: | | | | |
| 7305.31.40 | 00 | Of iron or nonalloy steel | kg | Free | | 5.5% |
| 7305.39.10 | 00 | Of iron or nonalloy steel | kg | Free | | 5.5% |
| 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: | | | | |
| 7306.19.10 | | Of iron or nonalloy steel | | Free | | 5.5% |
| 7306.29.10 | | Of iron or nonalloy steel: | | | | |
| 7306.29.60 | | Of iron or nonalloy steel | | Free | | 5.5% |
| 7306.30 | | Other, welded, of circular cross section, of iron or nonalloy steel: | | | | |
| 7306.40 | | Other, welded, of circular cross section, of stainless steel: | | | | |
| 7306.50 | | Other, welded, of circular cross section, of other alloy steel: | | | | |
| 7306.61 | | Other, welded, of noncircular cross section: | | | | |
| 7306.61.10 | 00 | Of iron or nonalloy steel | kg | Free | | 1% |
| 7306.61.50 | 00 | Of iron or nonalloy steel | kg | Free | | 25% |
| 7306.69 | | Of other noncircular cross section: | | | | |
| 7306.69.10 | 00 | Of iron or nonalloy steel | kg | Free | | 1% |
Harmonized Tariff Schedule of the United States inquiry: 3920590000
