| 7305.12.10 | 60 | With an external diameter exceeding 609.6 mm | kg | | | |
| 7305.12.50 | 00 | Of alloy steel | kg | Free | | 10% |
| 7305.19.10 | | Of iron or nonalloy steel | | Free | | 5.5% |
| 7305.19.10 | 30 | With an external diameter exceeding 406.4 mm but not exceeding 609.6 mm | kg | | | |
| 7305.19.10 | 60 | With an external diameter exceeding 609.6 mm | kg | | | |
| 7305.19.50 | 00 | Of alloy steel | kg | Free | | 10% |
| 7305.20.20 | 00 | Threaded or coupled | kg | Free | | 20% |
| 7305.20.60 | 00 | Threaded or coupled | kg | Free | | 28% |
| 7305.31.40 | 00 | Of iron or nonalloy steel | kg | Free | | 5.5% |
| 7305.31.60 | 00 | Of alloy steel | kg | Free | | 10% |
| 7305.39.10 | 00 | Of iron or nonalloy steel | kg | Free | | 5.5% |
| 7305.39.50 | 00 | Of alloy steel | kg | Free | | 10% |
| 7305.90.10 | 00 | Of iron or nonalloy steel | kg | Free | | 5.5% |
| 7305.90.50 | 00 | Of alloy steel | kg | Free | | 10% |
| 7306.11.00 | | Welded, of stainless steel | | Free | | 10% |
| 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 | | Of iron or nonalloy steel | | Free | | 5.5% |
| 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 | | Of alloy steel | | Free | | 10% |
| 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% |
| 7306.29.10 | | Threaded or coupled | | Free | | 20% |