| 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: | | | | |
| 7305.11.10 | 30 | With an external diameter exceeding 406.4 mm but not exceeding 609.6 mm | kg | | | |
| 7305.12.10 | 30 | With an external diameter exceeding 406.4 mm but not exceeding 609.6 mm | kg | | | |
| 7305.19.10 | 30 | With an external diameter exceeding 406.4 mm but not exceeding 609.6 mm | kg | | | |
| 7306.30.50 | 85 | With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm: | | | | |
| 7306.40.50 | 85 | With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm: | | | | |
| 7306.50.50 | 70 | With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm | 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: | | | | |
| 7320.20.50 | 10 | Suitable for use in mattress supports and mattresses of heading 9404 | kg | | | |
| 7320.90.50 | 10 | Suitable for use in mattress supports and mattresses of heading 9404 | kg | | | |
| 7403 | | Refined copper and copper alloys, unwrought (other than master alloys of heading 7405): | | | | |
| 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: | | | | |
| 8304.00.00 | 00 | Desk-top filing or card-index cabinets, paper trays, paper rests, pen trays, office-stamp stands and similar office or desk equipment and parts thereof, of base metal, other than office furniture of heading 9403 | kg | 3.9% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 45% |
| 8310.00.00 | 00 | Sign plates, name plates, address plates and similar plates, numbers, letters and other symbols, and parts thereof, of base metal, excluding those of heading 9405 | kg | Free | | 45% |
| 8403 | | Central heating boilers (other than those of heading 8402) and parts thereof: | | | | |
| 8404 | | Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers); condensers for steam or other vapor power units; parts thereof: | | | | |
| 8404.10.00 | | Auxiliary plant for use with boilers of heading 8402 or 8403 | | 3.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 45% |
| 8406.81 | | Of an output exceeding 40 MW: | | | | |
| 8406.82 | | Of an output not exceeding 40 MW: | | | | |
| 8409 | | Parts suitable for use solely or principally with the engines of heading 8407 or 8408: | | | | |
| 8414.90.41 | 45 | Of compressors of subheading 8414.40: | | | | |
| 8452 | | Sewing machines, other than book-sewing machines of heading 8440; furniture, bases and covers specially designed for sewing machines; sewing machine needles; parts thereof: | | | | |
| 8477.90.25 | 40 | Of machines of subheading 8477.10.30, 8477.10.40 or 8477.10.90 | X | | | |
| 8487.90.00 | 40 | Oil seals, other than those of chapter 40 | kg | | | |
| 8501.64.00 | 30 | Exceeding 10,000 kVA but not exceeding 40,000 kVA | No. | | | |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
