| 7225.50.70 | 00 | Of a thickness of less than 4.75 mm: | | | | |
| 7225.50.80 | 15 | Of a kind for use in making aperture masks for cathode-ray tube video displays | kg | | | |
| 7225.91.00 | 00 | Electrolytically plated or coated with zinc | kg | Free | | 28% |
| 7226.11 | | Of silicon electrical steel: | | | | |
| 7226.91.50 | 00 | Of a thickness of 4.75 mm or more | kg | Free | | 28% |
| 7226.91.70 | 00 | Of a thickness of less than 4.75 mm: | | | | |
| 7226.99.01 | 10 | Electrolytically plated or coated with zinc | kg | | | |
| 7227.20.00 | | Of silico-manganese steel | | Free | | 10% |
| 7227.20.00 | 30 | Of welding quality wire rods as defined in statistical note 6 to this chapter | kg | | | |
| 7227.90.10 | | Not tempered, not treated, and not partly manufactured | | Free | | 12% |
| 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 | | | |
| 7228.10.00 | 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 | | | |
| 7228.20 | | Bars and rods, of silico-manganese steel: | | | | |
| 7228.50.10 | 20 | With a maximum cross-sectional dimension of less than 18 mm: | | | | |
| 7228.50.10 | 20 | Of round or rectangular cross section with surfaces ground, milled or polished | kg | | | |
| 7228.50.10 | 60 | With a maximum cross-sectional dimension of 18 mm or more: | | | | |
| 7228.50.10 | 60 | Of round or rectangular cross section with surfaces ground, milled or polished | kg | | | |
| 7228.70.30 | | Hot-rolled, not drilled, not punched and not otherwise advanced | | Free | | 10% |
| 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 | | 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: | | | | |
