| 7218.99.00 | 15 | Having a cross-sectional area of less than 232 cm2 | kg | | | |
| 7218.99.00 | 30 | Having a cross-sectional area of 232 cm2 or more | kg | | | |
| 7218.99.00 | 45 | Having a cross-sectional area of less than 232 cm2 | kg | | | |
| 7218.99.00 | 60 | Having a cross-sectional area of 232 cm2 or more | kg | | | |
| 7224.90.00 | 15 | Having a width less than four times the thickness | kg | | | |
| 7224.90.00 | 25 | Having a width at least four times the thickness | kg | | | |
| 7224.90.00 | 45 | Having a width less than four times the thickness | kg | | | |
| 7224.90.00 | 55 | Having a width at least four times the thickness | kg | | | |
| 7304.11.00 | 20 | Having an outside diameter not exceeding 114.3 mm | kg | | | |
| 7304.11.00 | 50 | Having an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm | kg | | | |
| 7304.11.00 | 80 | Having an outside diameter exceeding 406.4 mm | kg | | | |
| 7304.19.10 | 20 | Having an outside diameter not exceeding 114.3 mm | kg | | | |
| 7304.19.10 | 30 | Having an outside diameter exceeding 114.3 mm but less than 215.9 mm | kg | | | |
| 7304.19.10 | 45 | Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm: | | | | |
| 7304.19.10 | 45 | Having a wall thickness less than 12.7 mm | kg | | | |
| 7304.19.10 | 60 | Having a wall thickness of 12.7 mm or more | kg | | | |
| 7304.19.10 | 80 | Having an outside diameter exceeding 406.4 mm | kg | | | |
| 7304.19.50 | 20 | Having an outside diameter not exceeding 114.3 mm | kg | | | |
| 7304.19.50 | 50 | Having an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm | kg | | | |
| 7304.19.50 | 80 | Having an outside diameter exceeding 406.4 mm | kg | | | |
| 7304.22.00 | 30 | Having an outside diameter not exceeding 168.3 mm: | | | | |
| 7304.22.00 | 30 | Having a wall thickness not exceeding 9.5 mm | kg | | | |
| 7304.22.00 | 45 | Having a wall thickness exceeding 9.5 mm | kg | | | |
| 7304.22.00 | 60 | Having an outside diameter exceeding 168.3 mm | kg | | | |
| 7304.23.60 | 30 | Having an outside diameter not exceeding 168.3 mm: | | | | |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
