| 7306.30.50 | 10 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold drawn | kg | | | |
| 7306.40.50 | 15 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn | kg | | | |
| 7306.50.50 | 10 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn | kg | | | |
| 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: | | | | |
| 7308.90.95 | 30 | Sheet-metal roofing, siding, flooring and roof drainage equipment | kg | | | |
| 7314.12.10 | 00 | With meshes not finer than 12 wires to the lineal centimeter in warp or filling | m2 kg | Free | | 35% |
| 7314.12.20 | 00 | With meshes finer than 12 but not finer than 36 wires to the lineal centimeter in warp or filling | m2 kg | Free | | 50% |
| 7314.12.30 | 00 | With meshes finer than 36 wires to the lineal centimeter in warp or filling: | | | | |
| 7314.14.10 | 00 | With meshes not finer than 12 wires to the lineal centimeter in warp or filling | m2 kg | Free | | 35% |
| 7314.14.20 | 00 | With meshes finer than 12 but not finer than 36 wires to the lineal centimeter in warp or filling | m2 kg | Free | | 50% |
| 7314.14.30 | 00 | With meshes finer than 36 wires to the lineal centimeter in warp or maximum: | | | | |
| 7317.00.55 | 01 | Collated roofing nails with a length of 20.6 mm to 46.1 mm, a head diameter of 8.3 mm to 10.6 mm, a shank diameter of 2.5 mm to 3.2 mm, whether or not galvanized | kg | | | |
| 7402.00.00 | 00 | Unrefined copper; copper anodes for electrolytic refining | kg Cu kg | Free | | 6% |
| 7403 | | Refined copper and copper alloys, unwrought (other than master alloys of heading 7405): | | | | |
| 7403.11.00 | 00 | Refined copper: | | | | |
| 7404.00.30 | 20 | Of refined copper | kg | | | |
| 7404.00.60 | 20 | Of refined copper | kg | | | |
| 7407.10 | | Of refined copper: | | | | |
| 7408.11 | | Of refined copper: | | | | |
| 7409.11 | | Of refined copper: | | | | |
| 7410.11.00 | 00 | Of refined copper | kg | 1% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 6.5% |
| 7410.21 | | Of refined copper: | | | | |
| 7411.10 | | Of refined copper: | | | | |
| 7412.10.00 | 00 | Of refined copper | kg | 3% | Free (A,B,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 46% |
| 7610 | | Aluminum structures (excluding prefabricated buildings of heading 9406) and parts of structures (for example, bridges and bridge-sections, towers, lattice masts, roofs, roofingframeworks, doors and windows and their frames and thresholds for doors, balustrades, pillars and columns); aluminum plates, rods, profiles, tubes and the like, prepared for use in structures: | | | | |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
