| 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 | 65 | Railway rails for rerolling | kg | | | |
| 7302.10.50 | | Of alloy steel | | Free | | 9% |
| 7302.10.50 | 40 | Railway rails for rerolling | kg | | | |
| 7304.19.10 | | Of iron or nonalloy steel | | Free | | 25% |
| 7304.19.50 | | Of other alloy steel | | Free | | 35% |
| 7304.23.30 | 00 | Of iron or nonalloy steel | kg | Free | | 25% |
| 7304.23.60 | | Of alloy steel | | Free | | 35% |
| 7304.29.10 | | Of iron or nonalloy steel: | | | | |
| 7304.29.31 | | Of other alloy steel: | | | | |
| 7304.29.50 | | Of iron or nonalloy steel | | Free | | 25% |
| 7304.29.61 | | Of other alloy steel | | Free | | 35% |
| 7304.31 | | Other, of circular cross section, of iron or nonalloy steel: | | | | |
| 7304.41.30 | 05 | Of high-nickel alloy steel | kg | | | |
| 7304.41.60 | 05 | Of high-nickel alloy steel | kg | | | |
| 7304.49.00 | 05 | Of high-nickel alloy steel | kg | | | |
| 7304.51 | | Other, of circular cross section, of other alloy steel: | | | | |
| 7304.51.50 | 05 | Of high-nickel alloy steel | kg | | | |
| 7304.90.10 | 00 | Of iron or nonalloy steel | kg | Free | | 1% |
| 7304.90.30 | 00 | Of alloy steel | kg | Free | | 8.5% |
| 7304.90.50 | 00 | Of iron or nonalloy steel | kg | Free | | 25% |
| 7304.90.70 | 00 | Of alloy steel | kg | Free | | 35% |
| 7305 | | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross sections, the external diameter of which exceeds 406.4 mm, of iron or steel: | | | | |
Harmonized Tariff Schedule of the United States inquiry: 534
