# HS heading 83.07: Flexible tubing of base metal, with or without fittings > HS heading 83.07 covers flexible tubing of base metal, with or without fittings. It is in chapter 83 (miscellaneous articles of base metal). It is split into 2 subheadings: 8307.10 (of iron or steel) and 8307.90 (of other base metal). National tariff lines under heading 83.07 are live on border.bot for the United States (5 lines, also used by 1 other country). Source: https://border.bot/hs-codes/8307 Last updated: 11 October 2026 [HS codes](https://border.bot/hs-codes) / [Chapter 83](https://border.bot/hs-codes/83) / [83.07](https://border.bot/hs-codes/8307) ## Key facts - Heading: 83.07 - Description: Flexible tubing of base metal, with or without fittings - Chapter: 83: Miscellaneous articles of base metal - Subheadings: 2 - Edition: HS2022 ## What this code covers HS heading 83.07 covers flexible tubing of base metal, with or without fittings. It is split into 2 subheadings: 8307.10 (of iron or steel) and 8307.90 (of other base metal). - [8307.10](https://border.bot/hs-codes/830710) Of iron or steel - [8307.90](https://border.bot/hs-codes/830790) Of other base metal ## What it doesn’t cover Other goods of chapter 83 are classified in its other 10 headings, listed below. - [83.01](https://border.bot/hs-codes/8301) Padlocks and locks (key, combination or electrically operated), of base metal; clasps and frames with clasps, incorporating locks, of base metal; keys for any of the foregoing articles, of base metal - [83.02](https://border.bot/hs-codes/8302) Base metal mountings, fittings and similar articles suitable for furniture, doors, staircases, windows, blinds, coachwork, saddlery, trunks, chests, caskets or the like; base metal hat-racks, hat-pegs, brackets and similar fixtures; castors with mountings of base metal; automatic door closers of base metal - [83.03](https://border.bot/hs-codes/8303) Armoured or reinforced safes, strong-boxes and doors and safe deposit lockers for strong-rooms, cash or deed boxes and the like, of base metal - [83.04](https://border.bot/hs-codes/8304) Filing cabinets, card-index cabinets, paper trays, paper rests, pen trays, office-stamp stands and similar office or desk equipment, of base metal, other than office furniture of heading 94.03 - [83.05](https://border.bot/hs-codes/8305) Fittings for loose-leaf binders or files, letter clips, letter corners, paper clips, indexing tags and similar office articles, of base metal; staples in strips (for example, for offices, upholstery, packaging), of base metal - [83.06](https://border.bot/hs-codes/8306) Bells, gongs and the like, non-electric, of base metal; statuettes and other ornaments, of base metal; photograph, picture or similar frames, of base metal; mirrors of base metal - [83.08](https://border.bot/hs-codes/8308) Clasps, frames with clasps, buckles, buckle-clasps, hooks, eyes, eyelets and the like, of base metal, of a kind used for clothing or clothing accessories, footwear, jewellery, wrist-watches, books, awnings, leather goods, travel goods or saddlery or for other made up articles; tubular or bifurcated rivets, of base metal; beads and spangles, of base metal - [83.09](https://border.bot/hs-codes/8309) Stoppers, caps and lids (including crown corks, screw caps and pouring stoppers), capsules for bottles, threaded bungs, bung covers, seals and other packing accessories, of base metal - [83.10](https://border.bot/hs-codes/8310) Sign-plates, name-plates, address-plates and similar plates, numbers, letters and other symbols, of base metal, excluding those of heading 94.05 - [83.11](https://border.bot/hs-codes/8311) Wire, rods, tubes, plates, electrodes and similar products, of base metal or of metal carbides, coated or cored with flux material, of a kind used for soldering, brazing, welding or deposition of metal or of metal carbides; wire and rods, of agglomerated base metal powder, used for metal spraying ## How it is structured Heading 83.07 is one of 11 headings in chapter 83. Its first two digits, 83, are the chapter; the next two, 07, number the heading within it. Its subheadings add two more digits (8307.10, 8307.90). ## In other countries National tariff lines under heading 83.07 are live on border.bot for the United States (5 lines, also used by 1 other country). - [United States](https://border.bot/countries/united-states/hs-codes/83): 5 lines, used by 1 other country - Previous heading: [83.06](https://border.bot/hs-codes/8306) Bells, gongs and the like, non-electric, of base metal; statuettes and other ornaments, of base metal; photograph, picture or similar frames, of base metal; mirrors of base metal - Next heading: [83.08](https://border.bot/hs-codes/8308) Clasps, frames with clasps, buckles, buckle-clasps, hooks, eyes, eyelets and the like, of base metal, of a kind used for clothing or clothing accessories, footwear, jewellery, wrist-watches, books, awnings, leather goods, travel goods or saddlery or for other made up articles; tubular or bifurcated rivets, of base metal; beads and spangles, of base metal ## Frequently asked questions ### What does HS heading 83.07 cover? HS heading 83.07 covers flexible tubing of base metal, with or without fittings. ### Which chapter is HS heading 83.07 in? HS heading 83.07 is in chapter 83 (miscellaneous articles of base metal). ### How many subheadings does HS heading 83.07 have? HS heading 83.07 has 2 subheadings: 8307.10 (of iron or steel) and 8307.90 (of other base metal). ### Which countries’ tariffs list national lines under HS heading 83.07? National tariff lines under heading 83.07 are live on border.bot for the United States (5 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/8307.json