| 7304.59.80 | 15 | Having a wall thickness less than 6.4 mm | kg | | | |
| 7304.59.80 | 20 | Having a wall thickness of 6.4 mm or more but not exceeding 12.7 mm | kg | | | |
| 7304.59.80 | 25 | Having a wall thickness exceeding 12.7 mm | kg | | | |
| 7304.59.80 | 30 | Having an outside diameter exceeding 114.3 mm but less than 190.5 mm: | | | | |
| 7304.59.80 | 30 | Having a wall thickness less than 12.7 mm | kg | | | |
| 7304.59.80 | 45 | Having a wall thickness less than 12.7 mm | kg | | | |
| 7304.59.80 | 50 | Having a wall thickness of 12.7 mm or more but less than 19 mm | kg | | | |
| 7304.59.80 | 55 | Having a wall thickness of 19 mm or more | kg | | | |
| 7304.59.80 | 60 | Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm: | | | | |
| 7304.59.80 | 60 | Having a wall thickness less than 12.7 mm | kg | | | |
| 7305.20.80 | 00 | Other | kg | Free | | 8.5% |
| 7306.21.80 | | Tubing | | Free | | 10% |
| 7306.21.80 | 10 | Imported with coupling | kg | | | |
| 7306.21.80 | 50 | Other | kg | | | |
| 7306.29.81 | | Other | | Free | | 10% |
| 7306.29.81 | 10 | Imported with coupling | kg | | | |
| 7306.29.81 | 50 | Other | kg | | | |
| 7308 | | Structures (excluding prefabricated buildings of heading 9406) and parts of structures (for example, bridges and bridge sections, lock gates, towers, lattice masts, roofs, roofing frameworks, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns) of iron or steel; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel: | | | | |
| 7308.10.00 | 00 | Bridges and bridge sections | kg | Free | | 45% |
| 7308.20.00 | 00 | Towers and lattice masts | kg | Free | | 45% |
| 7308.30 | | Doors, windows and their frames and thresholds for doors: | | | | |
| 7308.30.10 | 00 | Of stainless steel | kg | Free | | 35% |
| 7308.30.50 | | Other | | Free | | 25% |
| 7308.30.50 | 15 | Windows and their frames | kg | | | |
| 7308.30.50 | 25 | Thresholds for doors | kg | | | |
