{
  "pageType": "HS4 subsector trade overview",
  "source": "api",
  "title": "Metal-rolling mills (HS4 8455) Trade Overview | Yugalinks",
  "description": "Review reported global trade for metal-rolling mills at HS4 8455, including scale, trend, corridors, countries, and the HS6 products within this subsector.",
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    "sameAs": [
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  },
  "sourceAttribution": {
    "publisher": "OECD",
    "dataset": "Balanced international merchandise trade statistics (BIMTS) - HS2017-6D",
    "year": 2025,
    "citation": "OECD (2025), Balanced international merchandise trade statistics (BIMTS) - HS2017-6D, OECD Data Explorer (accessed on 2026-08-27)",
    "sourceUrl": "https://data-explorer.oecd.org/",
    "dataflowUrl": "https://sdmx.oecd.org/sti-public/rest/dataflow/OECD.SDD.TPS/DSD_BIMTS_6D@DF_BIMTS_HS2017_6D/1.0",
    "termsUrl": "https://www.oecd.org/termsandconditions/",
    "terms": "OECD Terms & Conditions",
    "accessed": "2026-08-27",
    "supportingSources": [
      {
        "publisher": "CEPII",
        "dataset": "BACI bilateral trade flows",
        "release": "202601",
        "citation": "Gaulier, G. and Zignago, S. (2010), BACI: International Trade Database at the Product-Level. The 1994-2007 Version, CEPII Working Paper No. 2010-23.",
        "sourceUrl": "https://www.cepii.fr/DATA_DOWNLOAD/baci/doc/baci_webpage.html",
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        "licenseUrl": "https://www.etalab.gouv.fr/wp-content/uploads/2018/11/open-licence.pdf",
        "license": "Etalab 2.0 Open Licence",
        "accessed": "2026-08-27"
      }
    ]
  },
  "links": {
    "html": "https://www.yugalinks.com/trade/sector/hs4/8455/index.html",
    "markdown": "https://www.yugalinks.com/trade/sector/hs4/8455/index.md",
    "json": "https://www.yugalinks.com/trade/sector/hs4/8455/index.json",
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  "internalLinks": {
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    "platform": "https://www.yugalinks.com/platform",
    "methodology": "https://www.yugalinks.com/methodology",
    "dataSources": "https://www.yugalinks.com/data-sources",
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  "subsector": {
    "hs4": "8455",
    "name": "Metal-rolling mills"
  },
  "coverage": {
    "firstDataYear": 1995,
    "latestDataYear": 2024,
    "yearsWithData": 30,
    "refreshedAt": "2026-07-20 09:34:09"
  },
  "answer": "The metal-rolling mills subsector recorded $7.0B in reported global trade in 2024, with +19.1% annual change.",
  "keyFigures": {
    "latestTradeUsd": 7018211148.352401,
    "latestAnnualChangePct": 19.05601872208053,
    "activeExporters": 145,
    "activeImporters": 192,
    "activeHs6Products": 5
  },
  "growthAndStructure": {
    "trendLabel": "Rapid growth",
    "tradeCagr3yPct": 16.256789899768577,
    "tradeCagr5yPct": 5.353993549918079,
    "historicalPeakUsd": 8264021303.326232,
    "historicalPeakYear": 2008,
    "positiveGrowthYearSharePct": 48.275862068965516,
    "exporterConcentrationHhi": 1974.5877790622167,
    "importerConcentrationHhi": 816.4052802332031,
    "tradeVolatilityCv": 0.36600255045502844
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      "year": 1995,
      "hs4": 8455,
      "global_trade_usd": 2872065046.425861,
      "corridor_count": 1884,
      "active_hs6_count": 5
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    {
      "year": 1996,
      "hs4": 8455,
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      "corridor_count": 1923,
      "active_hs6_count": 5
    },
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      "year": 1997,
      "hs4": 8455,
      "global_trade_usd": 3309897866.258036,
      "corridor_count": 1902,
      "active_hs6_count": 5
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      "year": 1998,
      "hs4": 8455,
      "global_trade_usd": 2979124565.318362,
      "corridor_count": 1891,
      "active_hs6_count": 5
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      "year": 1999,
      "hs4": 8455,
      "global_trade_usd": 2621495060.584668,
      "corridor_count": 1997,
      "active_hs6_count": 5
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      "year": 2000,
      "hs4": 8455,
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      "corridor_count": 2193,
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    },
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      "year": 2001,
      "hs4": 8455,
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      "corridor_count": 2380,
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      "year": 2002,
      "hs4": 8455,
      "global_trade_usd": 2264941559.263734,
      "corridor_count": 2313,
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      "year": 2003,
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      "corridor_count": 2343,
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      "year": 2004,
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      "year": 2006,
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      "year": 2008,
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      "year": 2010,
      "hs4": 8455,
      "global_trade_usd": 6711704367.086524,
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      "year": 2011,
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      "year": 2012,
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      "year": 2013,
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      "year": 2014,
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      "year": 2015,
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      "year": 2017,
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      "corridor_count": 2914,
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      "year": 2019,
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      "year": 2020,
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  ],
  "products": [
    {
      "hs_code": "845510",
      "product_name": "Metal-rolling mills: tube mills"
    },
    {
      "hs_code": "845521",
      "product_name": "Metal-rolling mills: hot or combination hot and cold rolling mills"
    },
    {
      "hs_code": "845522",
      "product_name": "Metal-rolling mills: cold"
    },
    {
      "hs_code": "845530",
      "product_name": "Metal-rolling mills: rolls thereof"
    },
    {
      "hs_code": "845590",
      "product_name": "Metal-rolling mills: parts thereof"
    }
  ],
  "methodology": {
    "reportedValues": "Merchandise trade observations aggregated to HS4.",
    "calculatedIndicators": "Growth, concentration, volatility, and peak comparisons calculated from reported observations.",
    "missingData": "Missing values remain unavailable and are not imputed."
  }
}