| 7304.29.41 | 50 | Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm: | | | | |
| 7304.29.50 | 15 | Having an outside diameter not exceeding 114.3 mm: | | | | |
| 7304.29.50 | 15 | Having a wall thickness not exceeding 9.5 mm | kg | | | |
| 7304.29.50 | 60 | Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm | kg | | | |
| 7304.29.61 | | Of other alloy steel | | Free | | 35% |
| 7304.29.61 | 15 | Having an outside diameter not exceeding 114.3 mm: | | | | |
| 7304.29.61 | 15 | Having a wall thickness not exceeding 9.5 mm | kg | | | |
| 7304.29.61 | 60 | Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm | kg | | | |
| 7304.31 | | Other, of circular cross section, of iron or nonalloy steel: | | | | |
| 7304.31.60 | | Other | | Free | | 25% |
| 7304.31.60 | 50 | Other | kg | | | |
| 7304.39.00 | | Other | | Free | | 25% |
| 7304.39.00 | 06 | Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm | kg | | | |
| 7304.39.00 | 48 | Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm: | | | | |
| 7304.39.00 | 62 | Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm: | | | | |
| 7304.39.00 | 28 | Having a wall thickness of 6.4 mm or more but not exceeding 12.7 mm | kg | | | |
| 7304.39.00 | 16 | Other: | | | | |
| 7304.39.00 | 16 | Galvanized, having an outside diameter not exceeding 114.3 mm | kg | | | |
| 7304.39.00 | 20 | Other: | | | | |
| 7304.39.00 | 24 | Having an outside diameter of 38.1 mm or more but not exceeding 114.3 mm: | | | | |
| 7304.41 | | Other, of circular cross section, of stainless steel: | | | | |
| 7304.41.30 | 15 | Other: | | | | |
| 7304.41.30 | 45 | Other | kg | | | |
| 7304.41.60 | | Other | | Free | | 36% |
| 7304.41.60 | 15 | Other: | | | | |
