| 7306.29.81 | 10 | Imported with coupling | kg | | | |
| 7306.30.30 | 00 | Tapered steel pipes and tubes principally used as parts of illuminating articles | kg | Free | | 45% |
| 7306.30.50 | 25 | Imported with coupling | kg | | | |
| 7306.30.50 | 40 | Other, imported with coupling | kg | | | |
| 7306.50.30 | 00 | Tapered pipes and tubes of steel principally used as parts of illuminating articles | kg | Free | | 45% |
| 7308 | | Structures (excluding prefabricated buildings of heading 9406) and parts of structures (for example, bridges and bridge sections, lock gates, towers, lattice masts, roofs, roofing frameworks, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns) of iron or steel; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel: | | | | |
| 7308.90.30 | 00 | Not in part of alloy steel | kg | Free | | 20% |
| 7311.00.00 | 30 | Certified prior to exportation to have been made in accordance with the safety requirements of sections 178.36 through 178.68 of title 49 CFR or under a specific exemption to those requirements: | | | | |
| 7312.10.05 | 00 | Fitted with fittings or made up into articles | kg | Free | | 45% |
| 7312.10.20 | 00 | Fitted with fittings or made up into articles | kg | Free | | 45% |
| 7312.10.50 | 00 | Fitted with fittings or made up into articles | kg | Free | | 45% |
| 7312.10.70 | 00 | Fitted with fittings or made up into articles | kg | Free | | 45% |
| 7315 | | Chain and parts thereof, of iron or steel: | | | | |
| 7315.11.00 | | Articulated link chain and parts thereof: | | | | |
| 7315.11.00 | 10 | Of not over 50 mm pitch and containing more than 3 parts per pitch: | | | | |
| 7315.12.00 | 20 | Of not over 50 mm pitch and containing more than 3 parts per pitch | kg | | | |
| 7315.19.00 | 00 | Parts | kg | Free | | 40% |
| 7315.90.00 | 00 | Other parts | kg | 2.9% | Free (A*,AU,B,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 45% |
| 7316.00.00 | 00 | Anchors, grapnels and parts thereof, of iron or steel | X | Free | | 25% |
| 7317.00 | | Nails, tacks, drawing pins, corrugated nails, staples (other than those of heading 8305) and similar articles, of iron or steel, whether or not with heads of other material, but excluding such articles with heads of copper: | | | | |
| 7318 | | Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel: | | | | |
| 7318.11.00 | 00 | Threaded articles: | | | | |
| 7318.15.20 | | Bolts and bolts and their nuts or washers entered or exported in the same shipment | | Free | | 3.5% |
| 7318.21.00 | | Non-threaded articles: | | | | |
| 7319 | | Sewing needles, knitting needles, bodkins, crochet hooks, embroidery stilettos and similar articles for use in the hand, of iron or steel; safety pins and other pins of iron or steel, not elsewhere specified or included: | | | | |
