| 7229.90.50 | 06 | Plated or coated with copper | kg | | | |
| 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 | | | |
| 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: | | | | |
| 7301.20.10 | 00 | Of iron or nonalloy steel | kg | Free | | 20% |
| 7301.20.50 | 00 | Of alloy steel | kg | Free | | 28% |
| 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 | Not heat treated: | | | | |
| 7302.10.10 | 10 | Standard tee rails over 30 kg per meter | kg | | | |
| 7302.10.10 | 15 | Over 30 kg per meter | kg | | | |
| 7302.10.10 | 35 | Heat treated: | | | | |
| 7302.10.10 | 35 | Standard tee rails over 30 kg per meter | kg | | | |
| 7302.10.10 | 45 | Over 30 kg per meter | kg | | | |
| 7302.10.50 | | Of alloy steel | | Free | | 9% |
| 7302.40.00 | 00 | Fish-plates and sole plates | kg | Free | | 2% |
| 7303.00.00 | 60 | Pressure pipe with an inside diameter of less than 356 mm | kg | | | |
| 7304 | | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: | | | | |
| 7304.11.00 | | Of stainless steel | | Free | | 35% |
| 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 | | Of iron or nonalloy steel | | Free | | 25% |
| 7304.19.10 | 20 | Having an outside diameter not exceeding 114.3 mm | kg | | | |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
