| 7301.20 | | Angles, shapes and sections: | | | | |
| 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: | | | | |
| 7302.90.10 | 00 | Sleepers (cross-ties) | kg | Free | | 2% |
| 7304.31 | | Other, of circular cross section, of iron or nonalloy steel: | | | | |
| 7304.41 | | Other, of circular cross section, of stainless steel: | | | | |
| 7304.51 | | Other, of circular cross section, of other alloy steel: | | | | |
| 7304.51.50 | 15 | Of heat-resisting steel | kg | | | |
| 7304.59.20 | 30 | Of heat-resisting steel | kg | | | |
| 7304.59.60 | 00 | Of heat-resisting steel | kg | Free | | 36% |
| 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: | | | | |
| 7305.31.20 | 00 | Tapered pipes and tubes of steel principally used as parts of illuminating articles | kg | Free | | 45% |
| 7306.30 | | Other, welded, of circular cross section, of iron or nonalloy steel: | | | | |
| 7306.30.30 | 00 | Tapered steel pipes and tubes principally used as parts of illuminating articles | kg | Free | | 45% |
| 7306.30.50 | 28 | Internally coated or lined with a non-electrically insulating material, suitable for use as electrical conduit | kg | | | |
| 7306.40 | | Other, welded, of circular cross section, of stainless steel: | | | | |
| 7306.50 | | Other, welded, of circular cross section, of other alloy steel: | | | | |
| 7306.50.30 | 00 | Tapered pipes and tubes of steel principally used as parts of illuminating articles | kg | Free | | 45% |
| 7306.61 | | Other, welded, of noncircular cross section: | | | | |
| 7306.61 | | Of square or rectangular cross section: | | | | |
| 7306.69 | | Of other noncircular cross section: | | | | |
| 7307 | | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel: | | | | |
| 7307.11.00 | | Cast fittings: | | | | |
| 7307.19.30 | | Ductile fittings | | 5.6% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P, SG) | 45% |
| 7307.19.30 | 40 | Grooved-end fittings (including grooved couplings) | kg | | | |
| 7307.19.90 | 40 | Grooved-end fittings (including grooved couplings) | kg | | | |
Harmonized Tariff Schedule of the United States inquiry: 3920590000
