# United States tariff, chapter 81: Other base metals; cermets; articles thereof > The United States tariff has 84 national lines in HS chapter 81 (other base metals; cermets; articles thereof), under 56 subheadings in 12 headings. Source: https://border.bot/countries/united-states/hs-codes/81 Last updated: 9 October 2026 [Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 81](https://border.bot/countries/united-states/hs-codes/81) ## Key facts - National lines: 84 - Subheadings: 56 - Tariff: [United States](https://border.bot/countries/united-states) - Chapter: 81: Other base metals; cermets; articles thereof ## Subheadings with United States lines The United States tariff has 84 national lines in HS chapter 81 (other base metals; cermets; articles thereof), under 56 subheadings in 12 headings. ### 81.01 Tungsten (wolfram) and articles thereof, including waste and scrap - [8101.10](https://border.bot/countries/united-states/hs-codes/810110) Powders (1 line) - [8101.94](https://border.bot/countries/united-states/hs-codes/810194) Other: Unwrought tungsten, including bars and rods obtained simply by sintering (1 line) - [8101.96](https://border.bot/countries/united-states/hs-codes/810196) Other: Wire (1 line) - [8101.97](https://border.bot/countries/united-states/hs-codes/810197) Other: Waste and scrap (1 line) - [8101.99](https://border.bot/countries/united-states/hs-codes/810199) Other: Other (2 lines) ### 81.02 Molybdenum and articles thereof, including waste and scrap - [8102.10](https://border.bot/countries/united-states/hs-codes/810210) Powders (1 line) - [8102.94](https://border.bot/countries/united-states/hs-codes/810294) Other: Unwrought molybdenum, including bars and rods obtained simply by sintering (1 line) - [8102.95](https://border.bot/countries/united-states/hs-codes/810295) Other: Bars and rods, other than those obtained simply by sintering, profiles, plates, sheets, strip and foil (2 lines) - [8102.96](https://border.bot/countries/united-states/hs-codes/810296) Other: Wire (1 line) - [8102.97](https://border.bot/countries/united-states/hs-codes/810297) Other: Waste and scrap (1 line) - [8102.99](https://border.bot/countries/united-states/hs-codes/810299) Other: Other (1 line) ### 81.03 Tantalum and articles thereof, including waste and scrap - [8103.20](https://border.bot/countries/united-states/hs-codes/810320) Unwrought tantalum, including bars and rods obtained simply by sintering; powders (2 lines) - [8103.30](https://border.bot/countries/united-states/hs-codes/810330) Waste and scrap (1 line) - [8103.91](https://border.bot/countries/united-states/hs-codes/810391) Other: Crucibles (1 line) - [8103.99](https://border.bot/countries/united-states/hs-codes/810399) Other: Other (1 line) ### 81.04 Magnesium and articles thereof, including waste and scrap - [8104.11](https://border.bot/countries/united-states/hs-codes/810411) Unwrought magnesium: Containing at least 99.8 % by weight of magnesium (1 line) - [8104.19](https://border.bot/countries/united-states/hs-codes/810419) Unwrought magnesium: Other (1 line) - [8104.20](https://border.bot/countries/united-states/hs-codes/810420) Waste and scrap (1 line) - [8104.30](https://border.bot/countries/united-states/hs-codes/810430) Raspings, turnings and granules, graded according to size; powders (1 line) - [8104.90](https://border.bot/countries/united-states/hs-codes/810490) Other (1 line) ### 81.05 Cobalt mattes and other intermediate products of cobalt metallurgy; cobalt and articles thereof, including waste and scrap - [8105.20](https://border.bot/countries/united-states/hs-codes/810520) Cobalt mattes and other intermediate products of cobalt metallurgy; unwrought cobalt; powders (3 lines) - [8105.30](https://border.bot/countries/united-states/hs-codes/810530) Waste and scrap (1 line) - [8105.90](https://border.bot/countries/united-states/hs-codes/810590) Other (1 line) ### 81.06 Bismuth and articles thereof, including waste and scrap - [8106.10](https://border.bot/countries/united-states/hs-codes/810610) Containing more than 99.99 % of bismuth, by weight (1 line) - [8106.90](https://border.bot/countries/united-states/hs-codes/810690) Other (1 line) ### 81.08 Titanium and articles thereof, including waste and scrap - [8108.20](https://border.bot/countries/united-states/hs-codes/810820) Unwrought titanium; powders (4 lines) - [8108.30](https://border.bot/countries/united-states/hs-codes/810830) Waste and scrap (1 line) - [8108.90](https://border.bot/countries/united-states/hs-codes/810890) Other (7 lines) ### 81.09 Zirconium and articles thereof, including waste and scrap - [8109.21](https://border.bot/countries/united-states/hs-codes/810921) Unwrought zirconium; powders: Containing less than 1 part hafnium to 500 parts zirconium by weight (1 line) - [8109.29](https://border.bot/countries/united-states/hs-codes/810929) Unwrought zirconium; powders: Other (1 line) - [8109.31](https://border.bot/countries/united-states/hs-codes/810931) Waste and scrap: Containing less than 1 part hafnium to 500 parts zirconium by weight (1 line) - [8109.39](https://border.bot/countries/united-states/hs-codes/810939) Waste and scrap: Other (1 line) - [8109.91](https://border.bot/countries/united-states/hs-codes/810991) Other: Containing less than 1 part hafnium to 500 parts zirconium by weight (1 line) - [8109.99](https://border.bot/countries/united-states/hs-codes/810999) Other: Other (1 line) ### 81.10 Antimony and articles thereof, including waste and scrap - [8110.10](https://border.bot/countries/united-states/hs-codes/811010) Unwrought antimony; powders (1 line) - [8110.20](https://border.bot/countries/united-states/hs-codes/811020) Waste and scrap (1 line) - [8110.90](https://border.bot/countries/united-states/hs-codes/811090) Other (1 line) ### 81.11 Manganese and articles thereof, including waste and scrap - [8111.00](https://border.bot/countries/united-states/hs-codes/811100) Manganese and articles thereof, including waste and scrap (5 lines) ### 81.12 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/countries/united-states/hs-codes/811212) Beryllium: Unwrought; powders (1 line) - [8112.13](https://border.bot/countries/united-states/hs-codes/811213) Beryllium: Waste and scrap (1 line) - [8112.19](https://border.bot/countries/united-states/hs-codes/811219) Beryllium: Other (1 line) - [8112.21](https://border.bot/countries/united-states/hs-codes/811221) Chromium: Unwrought; powders (1 line) - [8112.22](https://border.bot/countries/united-states/hs-codes/811222) Chromium: Waste and scrap (1 line) - [8112.29](https://border.bot/countries/united-states/hs-codes/811229) Chromium: Other (1 line) - [8112.31](https://border.bot/countries/united-states/hs-codes/811231) Hafnium: Unwrought; waste and scrap; powders (1 line) - [8112.39](https://border.bot/countries/united-states/hs-codes/811239) Hafnium: Other (1 line) - [8112.41](https://border.bot/countries/united-states/hs-codes/811241) Rhenium: Unwrought; waste and scrap; powders (2 lines) - [8112.49](https://border.bot/countries/united-states/hs-codes/811249) Rhenium: Other (1 line) - [8112.51](https://border.bot/countries/united-states/hs-codes/811251) Thallium: Unwrought; powders (1 line) - [8112.52](https://border.bot/countries/united-states/hs-codes/811252) Thallium: Waste and scrap (1 line) - [8112.59](https://border.bot/countries/united-states/hs-codes/811259) Thallium: Other (1 line) - [8112.61](https://border.bot/countries/united-states/hs-codes/811261) Cadmium: Waste and scrap (1 line) - [8112.69](https://border.bot/countries/united-states/hs-codes/811269) Cadmium: Other (2 lines) - [8112.92](https://border.bot/countries/united-states/hs-codes/811292) Other: Unwrought; waste and scrap; powders (7 lines) - [8112.99](https://border.bot/countries/united-states/hs-codes/811299) Other: Other (3 lines) ### 81.13 Cermets and articles thereof, including waste and scrap - [8113.00](https://border.bot/countries/united-states/hs-codes/811300) Cermets and articles thereof, including waste and scrap (1 line) ## In other countries No other national tariff on border.bot has live lines under chapter 81 yet. - [The Harmonized System text for chapter 81](https://border.bot/hs-codes/81) - Previous chapter: [80](https://border.bot/countries/united-states/hs-codes/80) Other articles of tin - Next chapter: [82](https://border.bot/countries/united-states/hs-codes/82) Handtools of the following kinds and base metal parts thereof: spades, shovels, mattocks, picks, hoes, forks and rakes; axes, bill hooks and similar hewing tools; secateurs and pruners of any kind; scythes, sickles, hay knives, hedge shears, timber wedges and other tools of a kind used in agriculture, horticulture or forestry ## Frequently asked questions ### How many national tariff lines does the United States tariff have in HS chapter 81? The United States tariff has 84 national lines in HS chapter 81 (other base metals; cermets; articles thereof), under 56 subheadings in 12 headings. ## Sources and updates The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. This page was last updated on 9 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. Official source files: - https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false Machine-readable: https://border.bot/countries/united-states/hs-codes/81.json