Chapter 73: Articles of iron or steel
HTS heading 7308: Structures (excluding prefabricated buildings of heading 9406) and parts of structures (for example, bridges and bridge sections, lock gate…
21 numbered lines under heading 7308, including 15 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.
| HTS code | Description | Unit | General | Special | Column 2 |
|---|---|---|---|---|---|
| 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: | ||||
| 7308.10.00.00 | Bridges and bridge sections | kg | Free | 45% | |
| 7308.20.00 | Towers and lattice masts | Free | 45% | ||
| 7308.20.00.30 | Tubular, whether or not tapered, and sectional components thereof | kg | |||
| 7308.20.00.35 | Tubular wind turbine towers, whether or not tapered, and sectional components thereof | kg | |||
| 7308.20.00.90 | Other | kg | |||
| 7308.30 | Doors, windows and their frames and thresholds for doors: | ||||
| 7308.30.10.00 | Of stainless steel | kg | Free | 35% | |
| 7308.30.50 | Other | Free | 25% | ||
| 7308.30.50.15 | Windows and their frames | kg | |||
| 7308.30.50.25 | Thresholds for doors | kg | |||
| 7308.30.50.50 | Other | kg | |||
| 7308.40.00.00 | Equipment for scaffolding, shuttering, propping or pit- propping | kg | Free | 45% | |
| 7308.90 | Other: | ||||
| Columns, pillars, posts, beams, girders and similar structural units: | |||||
| 7308.90.30.00 | Not in part of alloy steelNote: See 9903.90.09. | kg | Free | 20% | |
| 7308.90.60.00 | OtherNote: See 9903.90.09. | kg | Free | 30% | |
| Other: | |||||
| 7308.90.70.00 | Steel grating | kg | Free | 45% | |
| 7308.90.95 | Other | Free | 45% | ||
| 7308.90.95.30 | Sheet-metal roofing, siding, flooring and roof drainage equipment | kg | |||
| Other: | |||||
| 7308.90.95.60 | Architectural and ornamental work | kg | |||
| 7308.90.95.90 | Other | kg |
Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.
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Request a free auditSource: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.