{
  "@context": [
    "https://schema.org",
    {
      "ec": "https://entitycodes.org/vocab#"
    }
  ],
  "@type": "DefinedTerm",
  "@id": "https://entitycodes.org/sic/3341/",
  "identifier": "3341",
  "name": "Secondary Smelting and Refining of Nonferrous Metals",
  "description": "Standard Industrial Classification (SIC) code 3341: Secondary Smelting and Refining of Nonferrous Metals.",
  "url": "https://entitycodes.org/sic/3341/",
  "inDefinedTermSet": {
    "@type": "DefinedTermSet",
    "name": "SIC 1987",
    "url": "https://entitycodes.org/sic/"
  },
  "sameAs": [
    "https://www.osha.gov/data/sic-manual"
  ],
  "additionalProperty": [
    {
      "@type": "PropertyValue",
      "name": "SIC division",
      "value": "Division D: Manufacturing"
    },
    {
      "@type": "PropertyValue",
      "name": "SIC major group",
      "value": "Major Group 33: Primary Metal Industries"
    }
  ],
  "ec:crosswalk": [
    {
      "system": "NAICS 2022",
      "code": "331314",
      "title": "Secondary Smelting and Alloying of Aluminum",
      "confidence": "chain",
      "via": "SIC1987:3341\u2192NAICS1997:331314\u21922002:331314\u21922007:331314\u21922012:331314\u21922017:331314\u21922022:331314",
      "url": "https://entitycodes.org/naics/331314/"
    },
    {
      "system": "NAICS 2022",
      "code": "331420",
      "title": "Copper Rolling, Drawing, Extruding, and Alloying",
      "confidence": "chain",
      "via": "SIC1987:3341\u2192NAICS1997:331423\u21922002:331423\u21922007:331423\u21922012:331420\u21922017:331420\u21922022:331420",
      "url": "https://entitycodes.org/naics/331420/"
    },
    {
      "system": "NAICS 2022",
      "code": "331492",
      "title": "Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)",
      "confidence": "chain",
      "via": "SIC1987:3341\u2192NAICS1997:331492\u21922002:331492\u21922007:331492\u21922012:331492\u21922017:331492\u21922022:331492",
      "url": "https://entitycodes.org/naics/331492/"
    }
  ],
  "ec:provenance": {
    "definition": {
      "source": "US OSHA 1987 SIC Manual",
      "type": "US gov \u2014 public domain"
    },
    "crosswalk": {
      "source": "Census NAICS\u2194SIC concordance",
      "method": "transitive chain (NOT direct)"
    }
  },
  "license": "https://www.usa.gov/government-works",
  "dateModified": "2026-07-21",
  "isPartOf": {
    "@type": "DefinedTerm",
    "identifier": "Major Group 33: Primary Metal Industries",
    "name": "SIC Major Group Major Group 33: Primary Metal Industries",
    "@id": "https://entitycodes.org/sic/group/Major Group 33: Primary Metal Industries/"
  }
}