{
  "summary": "The United States tariff splits HS 7315.82 (other chain: Other, welded link) into 4 national lines: 7315.82.10.00 (not over 10 mm in diameter), 7315.82.30.00 (over 10 mm in diameter), 7315.82.50.00 (not over 10 mm in diameter) and 7315.82.70.00 (over 10 mm in diameter). Every United States line under 7315.82 is free of general (MFN) duty.",
  "updatedAt": "2026-10-09",
  "facts": [
    {
      "label": "HS subheading",
      "value": "7315.82",
      "source": null,
      "url": "https://border.bot/hs-codes/731582"
    },
    {
      "label": "Duty (MFN)",
      "value": "Free",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
    },
    {
      "label": "National lines",
      "value": "4",
      "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 7315.82?",
      "answer": "The United States tariff splits HS 7315.82 (other chain: Other, welded link) into 4 national lines: 7315.82.10.00 (not over 10 mm in diameter), 7315.82.30.00 (over 10 mm in diameter), 7315.82.50.00 (not over 10 mm in diameter) and 7315.82.70.00 (over 10 mm in diameter)."
    },
    {
      "question": "What is the duty on HS 7315.82 in the United States?",
      "answer": "Every United States line under 7315.82 is free of general (MFN) duty."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "United States lines under 7315.82",
      "text": [
        "The United States tariff splits HS 7315.82 (other chain: Other, welded link) into 4 national lines: 7315.82.10.00 (not over 10 mm in diameter), 7315.82.30.00 (over 10 mm in diameter), 7315.82.50.00 (not over 10 mm in diameter) and 7315.82.70.00 (over 10 mm in diameter).",
        "Every United States line under 7315.82 is free of general (MFN) duty."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "No other national tariff on border.bot has live lines under 7315.82 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"
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    "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",
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          "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
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        "dataset": "US:rates",
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        "kind": "rates",
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        "liveAt": "2026-10-09T21:15:36.287Z",
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        "sourceUrls": [
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      },
      {
        "dataset": "US:programmes",
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        "liveAt": "2026-10-09T21:15:58.040Z",
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    "dateModified": "2026-10-09T21:15:58.040Z",
    "chapter": {
      "code": "73",
      "description": "Articles of iron or steel"
    },
    "heading": {
      "code": "7315",
      "description": "Chain and parts thereof, of iron or steel"
    },
    "subheading": {
      "code": "731582",
      "description": "Other chain: Other, welded link"
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      {
        "code": "7315821000",
        "description": "Not over 10 mm in diameter",
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          "code": "7315821000",
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        "general": {
          "code": "7315825000",
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        "general": {
          "code": "7315827000",
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          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
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    ],
    "previous": {
      "code": "731581",
      "description": "Chain and parts thereof, of iron or steel",
      "indexable": false
    },
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      "code": "731589",
      "description": "Other",
      "indexable": true
    },
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    "pages": 1,
    "size": 100,
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  "code": "731582",
  "attribution": "border.bot tariff reference (border.bot), compiled from the official publishers named on each page.",
  "terms": "https://border.bot/legal/terms",
  "notice": "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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