{
  "summary": "The United States tariff has 84 national lines in HS chapter 81 (other base metals; cermets; articles thereof), under 56 subheadings in 12 headings.",
  "updatedAt": "2026-10-09",
  "facts": [
    {
      "label": "National lines",
      "value": "84",
      "source": null
    },
    {
      "label": "Subheadings",
      "value": "56",
      "source": null
    },
    {
      "label": "Tariff",
      "value": "United States",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false",
      "url": "https://border.bot/countries/united-states"
    },
    {
      "label": "Chapter",
      "value": "81: Other base metals; cermets; articles thereof",
      "source": null
    }
  ],
  "faq": [
    {
      "question": "How many national tariff lines does the United States tariff have in HS chapter 81?",
      "answer": "The United States tariff has 84 national lines in HS chapter 81 (other base metals; cermets; articles thereof), under 56 subheadings in 12 headings."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "Subheadings with United States lines",
      "text": [
        "The United States tariff has 84 national lines in HS chapter 81 (other base metals; cermets; articles thereof), under 56 subheadings in 12 headings."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "No other national tariff on border.bot has live lines under chapter 81 yet."
      ]
    },
    {
      "id": "sources",
      "title": "Sources and updates",
      "text": [
        "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."
      ]
    }
  ],
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    "country": {
      "code": "US",
      "name": "United States",
      "slug": "united-states"
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    "schedule": {
      "code": "US",
      "name": "United States",
      "slug": "united-states"
    },
    "borrowed": false,
    "localTaxes": [],
    "localDeminimis": [],
    "ratesLive": true,
    "provenance": [
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        "dataset": "US:hs",
        "country": "US",
        "kind": "hs",
        "seq": 1,
        "version": "2026HTSRev21",
        "liveAt": "2026-10-09T21:15:50.043Z",
        "origin": "source",
        "sourceUrls": [
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      },
      {
        "dataset": "US:rates",
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        "kind": "rates",
        "seq": 1,
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        "liveAt": "2026-10-09T21:15:36.287Z",
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        "sourceUrls": [
          "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
        ]
      },
      {
        "dataset": "US:programmes",
        "country": "US",
        "kind": "programmes",
        "seq": 1,
        "version": "2026HTSRev21",
        "liveAt": "2026-10-09T21:15:58.040Z",
        "origin": "source",
        "sourceUrls": [
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    ],
    "dateModified": "2026-10-09T21:15:58.040Z",
    "chapter": {
      "code": "81",
      "description": "Other base metals; cermets; articles thereof"
    },
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        "code": "8101",
        "description": "Tungsten (wolfram) and articles thereof, including waste and scrap",
        "subheadings": [
          {
            "code": "810110",
            "description": "Powders",
            "lines": 1
          },
          {
            "code": "810194",
            "description": "Other: Unwrought tungsten, including bars and rods obtained simply by sintering",
            "lines": 1
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          {
            "code": "810196",
            "description": "Other: Wire",
            "lines": 1
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            "code": "810197",
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            "code": "810199",
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        "code": "8102",
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            "code": "810210",
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            "code": "810296",
            "description": "Other: Wire",
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            "code": "810297",
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            "code": "810299",
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            "code": "810320",
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            "lines": 2
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            "lines": 1
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            "lines": 1
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            "code": "810430",
            "description": "Raspings, turnings and granules, graded according to size; powders",
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        "code": "8105",
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            "lines": 1
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            "code": "810610",
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            "code": "810690",
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            "code": "810820",
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            "lines": 4
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            "code": "810830",
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            "lines": 1
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            "code": "810890",
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        "code": "8109",
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            "code": "810921",
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            "code": "810929",
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            "code": "810931",
            "description": "Waste and scrap: Containing less than 1 part hafnium to 500 parts zirconium by weight",
            "lines": 1
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          {
            "code": "810939",
            "description": "Waste and scrap: Other",
            "lines": 1
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            "code": "810991",
            "description": "Other: Containing less than 1 part hafnium to 500 parts zirconium by weight",
            "lines": 1
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            "code": "810999",
            "description": "Other: Other",
            "lines": 1
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        "code": "8110",
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            "code": "811010",
            "description": "Unwrought antimony; powders",
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            "lines": 1
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            "code": "811090",
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            "lines": 1
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        "code": "8111",
        "description": "Manganese and articles thereof, including waste and scrap",
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            "code": "811100",
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            "code": "811213",
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            "lines": 1
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            "code": "811261",
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            "code": "811269",
            "description": "Cadmium: Other",
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            "code": "811292",
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            "code": "811299",
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            "lines": 3
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        "code": "8113",
        "description": "Cermets and articles thereof, including waste and scrap",
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            "code": "811300",
            "description": "Cermets and articles thereof, including waste and scrap",
            "lines": 1
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