{
  "summary": "The United States tariff splits HS 7307.99 (other: Other) into 5 national lines: 7307.99.10.00 (of iron or nonalloy steel), 7307.99.30.00 (of alloy steel (except stainless steel)), 7307.99.50.15 (nipples), 7307.99.50.45 (other) and 1 other. The general (MFN) duty differs by line: 3.7% on 7307.99.10.00, 3.2% on 7307.99.30.00, 4.3% on 7307.99.50.15, 4.3% on 7307.99.50.45 and 4.3% on 7307.99.50.60.",
  "updatedAt": "2026-10-09",
  "facts": [
    {
      "label": "HS subheading",
      "value": "7307.99",
      "source": null,
      "url": "https://border.bot/hs-codes/730799"
    },
    {
      "label": "National lines",
      "value": "5",
      "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": "73: Articles of iron or steel",
      "source": null
    }
  ],
  "faq": [
    {
      "question": "How many national tariff lines does the United States tariff have under HS 7307.99?",
      "answer": "The United States tariff splits HS 7307.99 (other: Other) into 5 national lines: 7307.99.10.00 (of iron or nonalloy steel), 7307.99.30.00 (of alloy steel (except stainless steel)), 7307.99.50.15 (nipples), 7307.99.50.45 (other) and 1 other."
    },
    {
      "question": "What is the duty on HS 7307.99 in the United States?",
      "answer": "The general (MFN) duty differs by line: 3.7% on 7307.99.10.00, 3.2% on 7307.99.30.00, 4.3% on 7307.99.50.15, 4.3% on 7307.99.50.45 and 4.3% on 7307.99.50.60."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "United States lines under 7307.99",
      "text": [
        "The United States tariff splits HS 7307.99 (other: Other) into 5 national lines: 7307.99.10.00 (of iron or nonalloy steel), 7307.99.30.00 (of alloy steel (except stainless steel)), 7307.99.50.15 (nipples), 7307.99.50.45 (other) and 1 other.",
        "The general (MFN) duty differs by line: 3.7% on 7307.99.10.00, 3.2% on 7307.99.30.00, 4.3% on 7307.99.50.15, 4.3% on 7307.99.50.45 and 4.3% on 7307.99.50.60."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "No other national tariff on border.bot has live lines under 7307.99 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."
      ]
    }
  ],
  "data": {
    "type": "country-subheading",
    "country": {
      "code": "US",
      "name": "United States",
      "slug": "united-states"
    },
    "schedule": {
      "code": "US",
      "name": "United States",
      "slug": "united-states"
    },
    "borrowed": false,
    "localTaxes": [],
    "localDeminimis": [],
    "ratesLive": true,
    "provenance": [
      {
        "dataset": "US:hs",
        "country": "US",
        "kind": "hs",
        "seq": 1,
        "version": "2026HTSRev21",
        "liveAt": "2026-10-09T21:15:50.043Z",
        "origin": "source",
        "sourceUrls": [
          "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
        ]
      },
      {
        "dataset": "US:rates",
        "country": "US",
        "kind": "rates",
        "seq": 1,
        "version": "2026HTSRev21",
        "liveAt": "2026-10-09T21:15:36.287Z",
        "origin": "source",
        "sourceUrls": [
          "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
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      },
      {
        "dataset": "US:programmes",
        "country": "US",
        "kind": "programmes",
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        "version": "2026HTSRev21",
        "liveAt": "2026-10-09T21:15:58.040Z",
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        "sourceUrls": [
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    ],
    "dateModified": "2026-10-09T21:15:58.040Z",
    "chapter": {
      "code": "73",
      "description": "Articles of iron or steel"
    },
    "heading": {
      "code": "7307",
      "description": "Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel"
    },
    "subheading": {
      "code": "730799",
      "description": "Other: Other"
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        "description": "Of iron or nonalloy steel",
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          "Of iron or nonalloy steel"
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        "english": null,
        "keywords": [],
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              {
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                "code": "MA",
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              {
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                "label": "United States-Oman Free Trade Agreement Implementation Act"
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                "label": "Dominican Republic-Central America-United States Free Trade Agreement"
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              {
                "code": "PA",
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                "code": "PE",
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              {
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                "label": "United States-Mexico-Canada Agreement"
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              {
                "code": "SG",
                "label": "United States-Singapore Free Trade Agreement"
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        "keywords": [],
        "lang": "en",
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          "code": "7307993000",
          "dutyText": "3.2%",
          "startDate": null,
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              {
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                "code": "CL",
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              {
                "code": "CO",
                "label": "United States-Colombia Trade Promotion Agreement Implementation Act"
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              {
                "code": "D",
                "label": "African Growth and Opportunity Act"
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                "label": "Caribbean Basin Economic Recovery Act"
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              {
                "code": "SG",
                "label": "United States-Singapore Free Trade Agreement"
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