| 7227.90.60 | 10 | Of Cold Heading Quality (CHQ) steel, as defined in statistical note 5 to this chapter | kg | | | |
| 7227.90.60 | 20 | Of welding quality wire rods as defined in statistical note 6 to this chapter | kg | | | |
| 7228.20 | | Bars and rods, of silico-manganese steel: | | | | |
| 7228.30.80 | 05 | Of high-nickel alloy steel | kg | | | |
| 7228.50.50 | 05 | Of high-nickel alloy steel | kg | | | |
| 7229.20.00 | | Of silico-manganese steel | | Free | | 33% |
| 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: | | | | |
| 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 | | | |
| 7304.22.00 | 30 | Having a wall thickness not exceeding 9.5 mm | kg | | | |
| 7304.22.00 | 45 | Having a wall thickness exceeding 9.5 mm | kg | | | |
| 7304.23.60 | 30 | Having a wall thickness not exceeding 9.5 mm | kg | | | |
| 7304.23.60 | 45 | Having a wall thickness exceeding 9.5 mm | kg | | | |
| 7304.24.30 | 10 | Having a wall thickness less than 12.7 mm | kg | | | |
| 7304.24.30 | 20 | Having a wall thickness of 12.7 mm or more | kg | | | |
| 7304.24.30 | 30 | Having a wall thickness less than 12.7 mm | kg | | | |
| 7304.24.30 | 40 | Having a wall thickness of 12.7 mm or more | kg | | | |
| 7304.24.30 | 50 | Having a wall thickness less than 12.7 mm | kg | | | |
| 7304.24.30 | 60 | Having a wall thickness of 12.7 mm or more | kg | | | |
| 7304.24.40 | 10 | Having a wall thickness less than 12.7 mm | kg | | | |
| 7304.24.40 | 20 | Having a wall thickness of 12.7 mm or more | kg | | | |
| 7304.24.40 | 30 | Having a wall thickness less than 12.7 mm | kg | | | |
| 7304.24.40 | 40 | Having a wall thickness of 12.7 mm or more | kg | | | |
| 7304.24.40 | 50 | Having a wall thickness less than 12.7 mm | kg | | | |
