| 7304.22.00 | 60 | Having an outside diameter exceeding 168.3 mm | kg | | | |
| 7304.23.60 | 30 | Having an outside diameter not exceeding 168.3 mm: | | | | |
| 7304.23.60 | 30 | Having a wall thickness not exceeding 9.5 mm | kg | | | |
| 7304.23.60 | 45 | Having a wall thickness exceeding 9.5 mm | kg | | | |
| 7304.23.60 | 60 | Having an outside diameter exceeding 168.3 mm | kg | | | |
| 7304.24.30 | 30 | Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm: | | | | |
| 7304.24.30 | 50 | Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm: | | | | |
| 7304.24.30 | 80 | Having an outside diameter exceeding 406.4 mm | kg | | | |
| 7304.24.40 | 30 | Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm: | | | | |
| 7304.24.40 | 50 | Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm: | | | | |
| 7304.24.40 | 80 | Having an outside diameter exceeding 406.4 mm | kg | | | |
| 7304.24.60 | 15 | Having an outside diameter not exceeding 114.3 mm: | | | | |
| 7304.24.60 | 15 | Having a wall thickness not exceeding 9.5 mm | kg | | | |
| 7304.24.60 | 30 | Having a wall thickness exceeding 9.5 mm | kg | | | |
| 7304.24.60 | 45 | Having an outside diameter exceeding 114.3 mm but less than 215.9 mm | kg | | | |
| 7304.24.60 | 60 | Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm | kg | | | |
| 7304.24.60 | 75 | Having an outside diameter exceeding 406.4 mm | kg | | | |
| 7304.29.10 | 30 | Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm: | | | | |
| 7304.29.10 | 50 | Having an outside diameter exceed 285.8 mm but not exceeding 406.4 mm: | | | | |
| 7304.29.20 | 30 | Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm: | | | | |
| 7304.29.20 | 50 | Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm: | | | | |
| 7304.29.20 | 80 | Having an outside diameter exceeding 406.4 mm | kg | | | |
| 7304.29.31 | 30 | Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm: | | | | |
| 7304.29.31 | 50 | Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm: | | | | |
| 7304.29.31 | 80 | Having an outside diameter exceeding 406.4 mm | kg | | | |
