| 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 |  |  |  |