{
  "summary": "The United States tariff splits HS 7304.90 (tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel) into 4 national lines: 7304.90.10.00 (of iron or nonalloy steel), 7304.90.30.00 (of alloy steel), 7304.90.50.00 (of iron or nonalloy steel) and 7304.90.70.00 (of alloy steel). Every United States line under 7304.90 is free of general (MFN) duty.",
  "updatedAt": "2026-10-09",
  "facts": [
    {
      "label": "HS subheading",
      "value": "7304.90",
      "source": null,
      "url": "https://border.bot/hs-codes/730490"
    },
    {
      "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
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      "value": "73: Articles of iron or steel",
      "source": null
    }
  ],
  "faq": [
    {
      "question": "How many national tariff lines does the United States tariff have under HS 7304.90?",
      "answer": "The United States tariff splits HS 7304.90 (tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel) into 4 national lines: 7304.90.10.00 (of iron or nonalloy steel), 7304.90.30.00 (of alloy steel), 7304.90.50.00 (of iron or nonalloy steel) and 7304.90.70.00 (of alloy steel)."
    },
    {
      "question": "What is the duty on HS 7304.90 in the United States?",
      "answer": "Every United States line under 7304.90 is free of general (MFN) duty."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "United States lines under 7304.90",
      "text": [
        "The United States tariff splits HS 7304.90 (tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel) into 4 national lines: 7304.90.10.00 (of iron or nonalloy steel), 7304.90.30.00 (of alloy steel), 7304.90.50.00 (of iron or nonalloy steel) and 7304.90.70.00 (of alloy steel).",
        "Every United States line under 7304.90 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 7304.90 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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      "name": "United States",
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      "name": "United States",
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    "localDeminimis": [],
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    "dateModified": "2026-10-09T21:15:58.040Z",
    "chapter": {
      "code": "73",
      "description": "Articles of iron or steel"
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    "heading": {
      "code": "7304",
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      "code": "730490",
      "description": "Other"
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      "description": "Longitudinally submerged arc welded",
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  "code": "730490",
  "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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