| 7011.20.85 | 10 | Front panels for cathode-ray television picture tubes, including video monitor tubes, color, non-projection: | | | | |
| 7017.10.30 | 00 | Quartz reactor tubes and holders designed for insertion into diffusion and oxidation furnaces for production of semiconductor wafers | X | Free | | 50% |
| 7020.00.30 | 00 | Quartz reactor tubes and holders designed for insertion into diffusion and oxidation furnaces for production of semiconductor wafers | X | Free | | 55% |
| 7209.18.25 | 10 | Of a kind for use in making aperture masks for cathode-ray tube video displays | kg | | | |
| 7211.23.60 | 75 | Of a kind for use in making aperture masks for cathode-ray tube video displays | kg | | | |
| 7225.50.80 | 15 | Of a kind for use in making aperture masks for cathode-ray tube video displays | kg | | | |
| 7303.00.00 | | Tubes, pipes and hollow profiles, of cast iron | | Free | | 33% |
| 7304 | | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: | | | | |
| 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 | | Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: | | | | |
| 7306.30.30 | 00 | Tapered steel pipes and tubes principally used as parts of illuminating articles | kg | Free | | 45% |
| 7306.30.50 | 35 | Tube and pipe hollows for redrawing | kg | | | |
| 7306.50.30 | 00 | Tapered pipes and tubes of steel principally used as parts of illuminating articles | kg | Free | | 45% |
| 7307 | | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel: | | | | |
| 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: | | | | |
| 7326.90.85 | 30 | Hangers and similar supports for tubes andpipes | kg | | | |
| 7411 | | Copper tubes and pipes: | | | | |
| 7412 | | Copper tube or pipe fittings (for example couplings, elbows, sleeves): | | | | |
| 7507 | | Nickel tubes, pipes and tube or pipe fittings (for example, couplings, elbows, sleeves): | | | | |
| 7507.11.00 | 00 | Tubes and pipes: | | | | |
| 7507.20.00 | 00 | Tube or pipe fittings | kg | 3% | Free (A,AU,B,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 45% |
| 7608 | | Aluminum tubes and pipes: | | | | |
| 7609.00.00 | 00 | Aluminum tube or pipe fittings (for example, couplings, elbows, sleeves) | kg | 5.7% | Free (A,AU,B,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 45% |
| 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
