| 7228.70.30 | 60 | With a maximum cross-sectional dimension of less than 76 mm: | | | | |
| 7228.70.30 | 60 | Angles | kg | | | |
| 7228.80.00 | 00 | Hollow drill bars and rods | kg | Free | | 30% |
| 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 | | Round wire | | Free | | 33% |
| 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 | | | |
| 7301 | | Sheet piling of iron or steel, whether or not drilled, punched or made from assembled elements; welded angles, shapes and sections, of iron or steel: | | | | |
| 7301.10.00 | 00 | Sheet piling | kg | Free | | 2% |
| 7301.20 | | Angles, shapes and sections: | | | | |
| 7301.20.10 | 00 | Of iron or nonalloy steel | kg | Free | | 20% |
| 7302 | | Railway or tramway track construction material of iron or steel, the following: rails, check-rails and rack rails, switch blades, crossing frogs, point rods and other crossing pieces, sleepers (cross-ties), fish-plates, chairs, chair wedges, sole plates (base plates), rail clips, bedplates, ties and other material specialized for jointing or fixing rails: | | | | |
| 7302.10.10 | | Of iron or nonalloy steel | | Free | | 1% |
| 7302.10.10 | 10 | New: | | | | |
| 7302.10.10 | 10 | Not heat treated: | | | | |
| 7302.10.10 | 10 | Standard tee rails over 30 kg per meter | kg | | | |
| 7302.10.10 | 35 | Standard tee rails over 30 kg per meter | kg | | | |
| 7302.10.10 | 65 | Railway rails for rerolling | kg | | | |
| 7302.10.50 | 20 | New | kg | | | |
| 7302.10.50 | 40 | Railway rails for rerolling | kg | | | |
| 7302.30.00 | 00 | Switch blades, crossing frogs, point rods and other crossing pieces | kg | Free | | 45% |
| 7302.40.00 | 00 | Fish-plates and sole plates | kg | Free | | 2% |
| 7303.00.00 | | Tubes, pipes and hollow profiles, of cast iron | | Free | | 33% |
Harmonized Tariff Schedule of the United States inquiry: 3920590000
