| 7304.29.10 | 60 | Having a wall thickness of 12.7 mm or more | kg | | | |
| 7304.29.20 | | Other | | Free | | 1% |
| 7304.29.20 | 20 | Having a wall thickness of 12.7 mm or more | kg | | | |
| 7304.29.20 | 40 | Having a wall thickness of 12.7 mm or more | kg | | | |
| 7304.29.20 | 60 | Having a wall thickness of 12.7 mm or more | kg | | | |
| 7304.29.31 | 20 | Having a wall thickness of 12.7 mm or more | kg | | | |
| 7304.29.31 | 40 | Having a wall thickness of 12.7 mm or more | kg | | | |
| 7304.29.31 | 60 | Having a wall thickness of 12.7 mm or more | kg | | | |
| 7304.29.41 | | Other | | Free | | 8.5% |
| 7304.29.41 | 20 | Having a wall thickness of 12.7 mm or more | kg | | | |
| 7304.29.41 | 40 | Having a wall thickness of 12.7 mm or more | kg | | | |
| 7304.29.41 | 60 | Having a wall thickness of 12.7 mm or more | kg | | | |
| 7304.29.50 | | Of iron or nonalloy steel | | Free | | 25% |
| 7304.29.61 | | Of other alloy steel | | Free | | 35% |
| 7304.31.60 | | Other | | Free | | 25% |
| 7304.31.60 | 50 | Other | kg | | | |
| 7304.39.00 | | Other | | Free | | 25% |
| 7304.39.00 | 56 | Having a wall thickness of 19 mm or more | kg | | | |
| 7304.39.00 | 44 | Having a wall thickness of 19 mm or more | kg | | | |
| 7304.39.00 | 72 | Having a wall thickness of 19 mm or more | kg | | | |
| 7304.39.00 | 80 | Having a wall thickness of 19 mm or more | kg | | | |
| 7304.41.30 | 05 | Of high-nickel alloy steel | kg | | | |
| 7304.41.30 | 45 | Other | kg | | | |
| 7304.41.60 | | Other | | Free | | 36% |
| 7304.41.60 | 05 | Of high-nickel alloy steel | kg | | | |
