| 7228.10.00 | 30 | With a maximum cross-sectional dimension of less than 18 mm | kg | | | |
| 7228.10.00 | 60 | With a maximum cross-sectional dimension of 18 mm or more | kg | | | |
| 7228.50.10 | 20 | With a maximum cross-sectional dimension of less than 18 mm: | | | | |
| 7228.50.10 | 60 | With a maximum cross-sectional dimension of 18 mm or more: | | | | |
| 7228.70.30 | 20 | With a maximum cross-sectional dimension of 76 mm or more: | | | | |
| 7228.70.30 | 60 | With a maximum cross-sectional dimension of less than 76 mm: | | | | |
| 7229.20.00 | 10 | Round, with a diameter of less than or equal to 1.6 mm, containing by weight less than 0.20 percent of carbon, more than 0.9 percent of manganese, and more than 0.6 percent of silicon, and suitable for electric arc welding: | | | | |
| 7229.90.50 | 06 | With a diameter of less than or equal to 1.6 mm, containing by weight less than 0.20 percent of carbon and more than 0.3 percent of nickel or more than 0.08 percent of molybdenum, and suitable for electric arc welding: | | | | |
| 7229.90.50 | 16 | With a diameter of less than 1.0 mm | kg | | | |
| 7229.90.50 | 31 | With a diameter of 1.0 mm or more but less than 1.5 mm | kg | | | |
| 7229.90.50 | 51 | With a diameter of 1.5 mm or more | kg | | | |
| 7303.00.00 | 60 | Pressure pipe with an inside diameter of less than 356 mm | 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: | | | | |
