{
  "summary": "HS code 8455.10 covers tube mills. It sits in heading 84.55 (metal-rolling mills and rolls therefor) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof). Other goods of heading 84.55 are classified under 8455.21 (other rolling mills, hot or combination hot and cold), 8455.22 (other rolling mills, cold), 8455.30 (rolls for rolling mills) or 8455.90 (other parts). National tariff lines under 8455.10 are live on border.bot for the United States (1 line, also used by 1 other country).",
  "updatedAt": "2026-10-11",
  "facts": [
    {
      "label": "HS code",
      "value": "8455.10",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Covers",
      "value": "Tube mills",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Heading",
      "value": "84.55: Metal-rolling mills and rolls therefor",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/8455"
    },
    {
      "label": "Chapter",
      "value": "84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/84"
    },
    {
      "label": "Edition",
      "value": "HS2022",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Duty in the United States",
      "value": "See its 1 line",
      "source": null,
      "url": "https://border.bot/countries/united-states/hs-codes/845510"
    }
  ],
  "faq": [
    {
      "question": "What does HS code 8455.10 cover?",
      "answer": "HS code 8455.10 covers tube mills."
    },
    {
      "question": "Which heading and chapter is HS code 8455.10 in?",
      "answer": "HS code 8455.10 is in heading 84.55 (metal-rolling mills and rolls therefor) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof)."
    },
    {
      "question": "Where are goods of heading 84.55 classified when 8455.10 doesn’t fit?",
      "answer": "Other goods of heading 84.55 are classified under 8455.21 (other rolling mills, hot or combination hot and cold), 8455.22 (other rolling mills, cold), 8455.30 (rolls for rolling mills) or 8455.90 (other parts)."
    },
    {
      "question": "Which countries’ tariffs list national lines under HS code 8455.10?",
      "answer": "National tariff lines under 8455.10 are live on border.bot for the United States (1 line, also used by 1 other country)."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "What this code covers",
      "text": [
        "HS code 8455.10 covers tube mills.",
        "The legal text of the subheading is “Tube mills”, in HS2022."
      ]
    },
    {
      "id": "not-covered",
      "title": "What it doesn’t cover",
      "text": [
        "Other goods of heading 84.55 are classified under 8455.21 (other rolling mills, hot or combination hot and cold), 8455.22 (other rolling mills, cold), 8455.30 (rolls for rolling mills) or 8455.90 (other parts)."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "8455.10 is a six-digit subheading. Its first two digits, 84, are the chapter; the first four, 8455, are heading 84.55; the last two, 10, identify the subheading within the heading.",
        "Countries add their own digits after these six for their national tariff lines."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "National tariff lines under 8455.10 are live on border.bot for the United States (1 line, also used by 1 other country)."
      ]
    },
    {
      "id": "sources",
      "title": "Sources and updates",
      "text": [
        "The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.",
        "This page was last updated on 11 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": "hs-subheading",
    "edition": "HS2022",
    "chapter": {
      "code": "84",
      "description": "Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof"
    },
    "heading": {
      "code": "8455",
      "description": "Metal-rolling mills and rolls therefor"
    },
    "subheading": {
      "code": "845510",
      "description": "Tube mills",
      "levels": [
        "Tube mills"
      ],
      "english": null,
      "keywords": []
    },
    "siblings": [
      {
        "code": "845521",
        "description": "Other rolling mills: Hot or combination hot and cold"
      },
      {
        "code": "845522",
        "description": "Other rolling mills: Cold"
      },
      {
        "code": "845530",
        "description": "Rolls for rolling mills"
      },
      {
        "code": "845590",
        "description": "Other parts"
      }
    ],
    "related": [],
    "previous": {
      "code": "845490",
      "description": "Parts",
      "indexable": true
    },
    "next": {
      "code": "845521",
      "description": "Other rolling mills: Hot or combination hot and cold",
      "indexable": true
    },
    "schedules": [
      {
        "code": "US",
        "name": "United States",
        "slug": "united-states",
        "lines": 1,
        "members": 1
      }
    ],
    "provenance": [
      {
        "dataset": "GLOBAL:hs",
        "country": "GLOBAL",
        "kind": "hs",
        "seq": 2,
        "version": "mytraddal hs2022.csv (HS 2022)",
        "liveAt": "2026-10-11T06:04:17.693Z",
        "origin": "upload",
        "sourceUrls": []
      }
    ],
    "dateModified": "2026-10-11T06:04:17.693Z",
    "seo": {
      "canonicalPath": "/hs-codes/845510",
      "robots": "index",
      "sitemap": true,
      "reasons": [
        "live legal text"
      ]
    }
  },
  "pagination": {
    "page": 1,
    "pages": 1,
    "size": 100,
    "total": 0,
    "prev": null,
    "next": null
  },
  "previous": "https://border.bot/hs-codes/845490",
  "next": "https://border.bot/hs-codes/845521",
  "links": {
    "self": "https://border.bot/hs-codes/845510.json",
    "html": "https://border.bot/hs-codes/845510",
    "canonical": "https://border.bot/hs-codes/845510",
    "markdown": "https://border.bot/hs-codes/845510.md",
    "tools": {
      "calculator": "https://border.bot/tools/landed-cost-calculator",
      "classifier": "https://border.bot/tools/hs-code-classifier",
      "api": "https://api.border.bot/v1"
    }
  },
  "code": "845510",
  "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.",
  "catalogVersion": "08bc53aa"
}