# HS code 7308.90: Structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, 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 > HS code 7308.90 covers structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, 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, other than those classified in 7308.10, 7308.20, 7308.30 and 7308.40. It sits in heading 73.08 (structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, 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) in chapter 73 (articles of iron or steel). Other goods of heading 73.08 are classified under 7308.10 (bridges and bridge-sections), 7308.20 (towers and lattice masts), 7308.30 (doors, windows and their frames and thresholds for doors) and 7308.40 (equipment for scaffolding, shuttering, propping or pitpropping). National tariff lines under 7308.90 are live on border.bot for the United States (6 lines, also used by 1 other country). Source: https://border.bot/hs-codes/730890 Last updated: 11 October 2026 [HS codes](https://border.bot/hs-codes) / [Chapter 73](https://border.bot/hs-codes/73) / [73.08](https://border.bot/hs-codes/7308) / [7308.90](https://border.bot/hs-codes/730890) ## Key facts - HS code: 7308.90 - Covers: Structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, 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 - Heading: [73.08: Structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, 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](https://border.bot/hs-codes/7308) - Chapter: [73: Articles of iron or steel](https://border.bot/hs-codes/73) - Edition: HS2022 - Duty in the United States: [See its 6 lines](https://border.bot/countries/united-states/hs-codes/730890) ## What this code covers HS code 7308.90 covers structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, 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, other than those classified in 7308.10, 7308.20, 7308.30 and 7308.40. The legal text of the subheading is “Other”, in HS2022. ## What it doesn’t cover Other goods of heading 73.08 are classified under 7308.10 (bridges and bridge-sections), 7308.20 (towers and lattice masts), 7308.30 (doors, windows and their frames and thresholds for doors) and 7308.40 (equipment for scaffolding, shuttering, propping or pitpropping). - [7308.10](https://border.bot/hs-codes/730810) Bridges and bridge-sections - [7308.20](https://border.bot/hs-codes/730820) Towers and lattice masts - [7308.30](https://border.bot/hs-codes/730830) Doors, windows and their frames and thresholds for doors - [7308.40](https://border.bot/hs-codes/730840) Equipment for scaffolding, shuttering, propping or pitpropping ## How it is structured 7308.90 is a six-digit subheading. Its first two digits, 73, are the chapter; the first four, 7308, are heading 73.08; the last two, 90, identify the subheading within the heading. Countries add their own digits after these six for their national tariff lines. - Chapter 73: Articles of iron or steel - Heading 73.08: Structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, 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 - Subheading 7308.90: Other ## In other countries National tariff lines under 7308.90 are live on border.bot for the United States (6 lines, also used by 1 other country). - [United States](https://border.bot/countries/united-states/hs-codes/730890): 6 lines, used by 1 other country - Previous subheading: [7308.40](https://border.bot/hs-codes/730840) Equipment for scaffolding, shuttering, propping or pitpropping - Next subheading: [7309.00](https://border.bot/hs-codes/730900) Reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment ## Frequently asked questions ### What does HS code 7308.90 cover? HS code 7308.90 covers structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, 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, other than those classified in 7308.10, 7308.20, 7308.30 and 7308.40. ### Which heading and chapter is HS code 7308.90 in? HS code 7308.90 is in heading 73.08 (structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, 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) in chapter 73 (articles of iron or steel). ### Where are goods of heading 73.08 classified when 7308.90 doesn’t fit? Other goods of heading 73.08 are classified under 7308.10 (bridges and bridge-sections), 7308.20 (towers and lattice masts), 7308.30 (doors, windows and their frames and thresholds for doors) and 7308.40 (equipment for scaffolding, shuttering, propping or pitpropping). ### Which countries’ tariffs list national lines under HS code 7308.90? National tariff lines under 7308.90 are live on border.bot for the United States (6 lines, also used by 1 other country). ## Sources and updates The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026. This page was last updated on 11 October 2026. Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling. Machine-readable: https://border.bot/hs-codes/730890.json