| 7306.30.50 | 40 | Other, imported with coupling | kg | | | |
| 7306.30.50 | 55 | Other | kg | | | |
| 7306.30.50 | 85 | With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm: | | | | |
| 7306.30.50 | 85 | Galvanized | kg | | | |
| 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 | | | |
| 7306.30.50 | 15 | Other, cold-drawn | kg | | | |
| 7306.30.50 | 20 | Other, cold-rolled (cold-reduced) with a wall thickness not exceeding 2.54 mm | kg | | | |
| 7306.30.50 | 25 | Other: | | | | |
| 7306.30.50 | 25 | With an outside diameter not exceeding 114.3 mm: | | | | |
| 7306.30.50 | 25 | Galvanized: | | | | |
| 7306.30.50 | 25 | Imported with coupling | kg | | | |
| 7306.30.50 | 28 | Internally coated or lined with a non-electrically insulating material, suitable for use as electrical conduit | kg | | | |
| 7306.30.50 | 32 | Other | kg | | | |
| 7306.30.50 | 35 | Other: | | | | |
| 7306.30.50 | 35 | Tube and pipe hollows for redrawing | kg | | | |
| 7306.30.50 | 90 | Other | kg | | | |
