| 7304.39.00 | 76 | Having a wall thickness less than 19 mm | kg | | | |
| 7304.39.00 | 80 | Having a wall thickness of 19 mm or more | kg | | | |
| 7304.39.00 | | Other | | Free | | 25% |
| 7304.39.00 | 02 | Having an outside diameter less than 38.1 mm | kg | | | |
| 7304.39.00 | 04 | Having an outside diameter of 38.1 mm or more but less than 190.5 mm | kg | | | |
| 7304.39.00 | 06 | Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm | kg | | | |
| 7304.39.00 | 08 | Having an outside diameter exceeding 285.8 mm | kg | | | |
| 7304.41.30 | | Of an external diameter of less than 19 mm | | Free | | 36% |
| 7304.41.30 | 05 | Of high-nickel alloy steel | kg | | | |
| 7304.41.30 | 15 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | kg | | | |
| 7304.41.30 | 45 | Other | kg | | | |
| 7304.41.60 | | Other | | Free | | 36% |
| 7304.41.60 | 05 | Of high-nickel alloy steel | kg | | | |
| 7304.41.60 | 15 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | kg | | | |
| 7304.41.60 | 45 | Other | kg | | | |
| 7304.49.00 | | Other | | Free | | 36% |
| 7304.49.00 | 05 | Of high-nickel alloy steel | kg | | | |
| 7304.49.00 | 15 | Hollow bars | kg | | | |
| 7304.49.00 | 45 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | kg | | | |
| 7304.49.00 | 60 | Other | kg | | | |
| 7304.51.10 | 00 | Suitable for use in the manufacture of ball or roller bearings | kg | Free | | 34% |
| 7304.51.50 | | Other | | Free | | 35% |
| 7304.51.50 | 05 | Of high-nickel alloy steel | kg | | | |
| 7304.51.50 | 15 | Of heat-resisting steel | kg | | | |
| 7304.51.50 | 45 | Other | kg | | | |
