# HS chapter 81: Other base metals; cermets; articles thereof > HS chapter 81 covers other base metals; cermets; articles thereof. It has 12 headings, 81.01 to 81.13, and 56 six-digit subheadings in HS2022. National tariff lines under chapter 81 are live on border.bot for the United States (84 lines, also used by 1 other country). Source: https://border.bot/hs-codes/81 Last updated: 11 October 2026 [HS codes](https://border.bot/hs-codes) / [Chapter 81](https://border.bot/hs-codes/81) ## Key facts - Chapter: 81 - Description: Other base metals; cermets; articles thereof - Headings: 12 - Subheadings: 56 - Edition: HS2022 ## What this chapter covers HS chapter 81 covers other base metals; cermets; articles thereof. It has 12 headings, 81.01 to 81.13, and 56 six-digit subheadings in HS2022. ### [81.01](https://border.bot/hs-codes/8101) Tungsten (wolfram) and articles thereof, including waste and scrap - [8101.10](https://border.bot/hs-codes/810110) Powders - [8101.94](https://border.bot/hs-codes/810194) Other: Unwrought tungsten, including bars and rods obtained simply by sintering - [8101.96](https://border.bot/hs-codes/810196) Other: Wire - [8101.97](https://border.bot/hs-codes/810197) Other: Waste and scrap - [8101.99](https://border.bot/hs-codes/810199) Other: Other ### [81.02](https://border.bot/hs-codes/8102) Molybdenum and articles thereof, including waste and scrap - [8102.10](https://border.bot/hs-codes/810210) Powders - [8102.94](https://border.bot/hs-codes/810294) Other: Unwrought molybdenum, including bars and rods obtained simply by sintering - [8102.95](https://border.bot/hs-codes/810295) Other: Bars and rods, other than those obtained simply by sintering, profiles, plates, sheets, strip and foil - [8102.96](https://border.bot/hs-codes/810296) Other: Wire - [8102.97](https://border.bot/hs-codes/810297) Other: Waste and scrap - [8102.99](https://border.bot/hs-codes/810299) Other: Other ### [81.03](https://border.bot/hs-codes/8103) Tantalum and articles thereof, including waste and scrap - [8103.20](https://border.bot/hs-codes/810320) Unwrought tantalum, including bars and rods obtained simply by sintering; powders - [8103.30](https://border.bot/hs-codes/810330) Waste and scrap - [8103.91](https://border.bot/hs-codes/810391) Other: Crucibles - [8103.99](https://border.bot/hs-codes/810399) Other: Other ### [81.04](https://border.bot/hs-codes/8104) Magnesium and articles thereof, including waste and scrap - [8104.11](https://border.bot/hs-codes/810411) Unwrought magnesium: Containing at least 99.8 % by weight of magnesium - [8104.19](https://border.bot/hs-codes/810419) Unwrought magnesium: Other - [8104.20](https://border.bot/hs-codes/810420) Waste and scrap - [8104.30](https://border.bot/hs-codes/810430) Raspings, turnings and granules, graded according to size; powders - [8104.90](https://border.bot/hs-codes/810490) Other ### [81.05](https://border.bot/hs-codes/8105) Cobalt mattes and other intermediate products of cobalt metallurgy; cobalt and articles thereof, including waste and scrap - [8105.20](https://border.bot/hs-codes/810520) Cobalt mattes and other intermediate products of cobalt metallurgy; unwrought cobalt; powders - [8105.30](https://border.bot/hs-codes/810530) Waste and scrap - [8105.90](https://border.bot/hs-codes/810590) Other ### [81.06](https://border.bot/hs-codes/8106) Bismuth and articles thereof, including waste and scrap - [8106.10](https://border.bot/hs-codes/810610) Containing more than 99.99 % of bismuth, by weight - [8106.90](https://border.bot/hs-codes/810690) Other ### [81.08](https://border.bot/hs-codes/8108) Titanium and articles thereof, including waste and scrap - [8108.20](https://border.bot/hs-codes/810820) Unwrought titanium; powders - [8108.30](https://border.bot/hs-codes/810830) Waste and scrap - [8108.90](https://border.bot/hs-codes/810890) Other ### [81.09](https://border.bot/hs-codes/8109) Zirconium and articles thereof, including waste and scrap - [8109.21](https://border.bot/hs-codes/810921) Unwrought zirconium; powders: Containing less than 1 part hafnium to 500 parts zirconium by weight - [8109.29](https://border.bot/hs-codes/810929) Unwrought zirconium; powders: Other - [8109.31](https://border.bot/hs-codes/810931) Waste and scrap: Containing less than 1 part hafnium to 500 parts zirconium by weight - [8109.39](https://border.bot/hs-codes/810939) Waste and scrap: Other - [8109.91](https://border.bot/hs-codes/810991) Other: Containing less than 1 part hafnium to 500 parts zirconium by weight - [8109.99](https://border.bot/hs-codes/810999) Other: Other ### [81.10](https://border.bot/hs-codes/8110) Antimony and articles thereof, including waste and scrap - [8110.10](https://border.bot/hs-codes/811010) Unwrought antimony; powders - [8110.20](https://border.bot/hs-codes/811020) Waste and scrap - [8110.90](https://border.bot/hs-codes/811090) Other ### [81.11](https://border.bot/hs-codes/8111) Manganese and articles thereof, including waste and scrap - [8111.00](https://border.bot/hs-codes/811100) Manganese and articles thereof, including waste and scrap ### [81.12](https://border.bot/hs-codes/8112) Beryllium, chromium, hafnium, rhenium, thallium, cadmium, germanium, vanadium, gallium, indium and niobium (columbium), and articles of these metals, including waste and scrap - [8112.12](https://border.bot/hs-codes/811212) Beryllium: Unwrought; powders - [8112.13](https://border.bot/hs-codes/811213) Beryllium: Waste and scrap - [8112.19](https://border.bot/hs-codes/811219) Beryllium: Other - [8112.21](https://border.bot/hs-codes/811221) Chromium: Unwrought; powders - [8112.22](https://border.bot/hs-codes/811222) Chromium: Waste and scrap - [8112.29](https://border.bot/hs-codes/811229) Chromium: Other - [8112.31](https://border.bot/hs-codes/811231) Hafnium: Unwrought; waste and scrap; powders - [8112.39](https://border.bot/hs-codes/811239) Hafnium: Other - [8112.41](https://border.bot/hs-codes/811241) Rhenium: Unwrought; waste and scrap; powders - [8112.49](https://border.bot/hs-codes/811249) Rhenium: Other - [8112.51](https://border.bot/hs-codes/811251) Thallium: Unwrought; powders - [8112.52](https://border.bot/hs-codes/811252) Thallium: Waste and scrap - [8112.59](https://border.bot/hs-codes/811259) Thallium: Other - [8112.61](https://border.bot/hs-codes/811261) Cadmium: Waste and scrap - [8112.69](https://border.bot/hs-codes/811269) Cadmium: Other - [8112.92](https://border.bot/hs-codes/811292) Other: Unwrought; waste and scrap; powders - [8112.99](https://border.bot/hs-codes/811299) Other: Other ### [81.13](https://border.bot/hs-codes/8113) Cermets and articles thereof, including waste and scrap - [8113.00](https://border.bot/hs-codes/811300) Cermets and articles thereof, including waste and scrap ## What it doesn’t cover Chapter 80, before it, covers tin and articles thereof; chapter 82, after it, covers tools, implements, cutlery, spoons and forks, of base metal; parts thereof of base metal. ## How it is structured Chapter 81 is the first level of the Harmonized System. Its headings add two digits to the chapter number (81.01), and each heading's subheadings add two more. ## In other countries National tariff lines under chapter 81 are live on border.bot for the United States (84 lines, also used by 1 other country). - [United States](https://border.bot/countries/united-states/hs-codes/81): 84 lines, used by 1 other country - Previous chapter: [80](https://border.bot/hs-codes/80) Tin and articles thereof - Next chapter: [82](https://border.bot/hs-codes/82) Tools, implements, cutlery, spoons and forks, of base metal; parts thereof of base metal ## Frequently asked questions ### What does HS chapter 81 cover? HS chapter 81 covers other base metals; cermets; articles thereof. ### How many headings and subheadings are in HS chapter 81? HS chapter 81 has 12 headings and 56 six-digit subheadings in HS2022. ### Which countries’ tariffs list national lines in HS chapter 81? National tariff lines under chapter 81 are live on border.bot for the United States (84 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/81.json