| 7305.19.10 | 60 | With an external diameter exceeding 609.6 mm | kg | | | |
| 7305.20.20 | 00 | Threaded or coupled | kg | Free | | 20% |
| 7305.20.40 | 00 | Other | kg | Free | | 1% |
| 7305.20.60 | 00 | Threaded or coupled | kg | Free | | 28% |
| 7305.20.80 | 00 | Other | kg | Free | | 8.5% |
| 7306.11.00 | 10 | With an outside diameter not exceeding 114.3 mm | kg | | | |
| 7306.11.00 | 50 | With an outside diameter exceeding 114.3 mm | kg | | | |
| 7306.19.10 | 10 | With an outside diameter not exceeding 114.3 mm | kg | | | |
| 7306.19.10 | 50 | With an outside diameter exceeding 114.3 mm | kg | | | |
| 7306.19.51 | 10 | With an outside diameter not exceeding 114.3 mm | kg | | | |
| 7306.19.51 | 50 | With an outside diameter exceeding 114.3 mm | kg | | | |
| 7306.21.30 | 00 | Threaded or coupled | kg | Free | | 28% |
| 7306.21.40 | 00 | Other | kg | Free | | 8.5% |
| 7306.21.80 | 50 | Other | kg | | | |
| 7306.29.10 | | Threaded or coupled | | Free | | 20% |
| 7306.29.10 | 90 | Other | kg | | | |
| 7306.29.20 | 00 | Other | kg | Free | | 1% |
| 7306.29.31 | 00 | Threaded or coupled | kg | Free | | 28% |
| 7306.29.41 | 00 | Other | kg | Free | | 8.5% |
| 7306.29.60 | 50 | Other | kg | | | |
| 7306.29.81 | | Other | | Free | | 10% |
| 7306.29.81 | 50 | Other | kg | | | |
| 7306.30.10 | 00 | Having a wall thickness of less than 1.65 mm | kg | Free | | 25% |
| 7306.30.50 | | Other | | Free | | 5.5% |
| 7306.30.50 | 10 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold drawn | kg | | | |
