31-33 Manufacturing

331313 Alumina Refining and Primary Aluminum Production

This industry comprises establishments primarily engaged in one or more of the following: (1) refining alumina (i.e., aluminum oxide) generally from bauxite; (2) making aluminum from alumina; and/or (3) making aluminum from alumina and rolling, drawing, extruding, or casting the aluminum they make into primary forms. Establishments in this industry may make primary aluminum or aluminum-based alloys from alumina.

Manufacturing aluminum oxide abrasives and refractories are classified in Subsector 327, Nonmetallic Mineral Product Manufacturing.

Recovering aluminum from scrap or alloying purchased aluminum are classified in U.S. Industry 331314, Secondary Smelting and Alloying of Aluminum.

331314 Secondary Smelting and Alloying of Aluminum

This industry comprises establishments primarily engaged in (1) recovering aluminum and aluminum alloys from scrap and/or dross (i.e., secondary smelting) and making billet or ingot (except by rolling) and/or (2) manufacturing alloys, powder, paste, or flake from purchased aluminum.

Refining alumina or making aluminum and/or aluminum alloys from alumina are classified in U.S. Industry 331313, Alumina Refining and Primary Aluminum Production;

Manufacturing aluminum sheet, plate, and foil from purchased aluminum or by recovering aluminum from scrap and flat rolling or continuous casting are classified in U.S. Industry 331315, Aluminum Sheet, Plate, and Foil Manufacturing;

Manufacturing aluminum extruded products or rolled ingot or billet from purchased aluminum or by recovering aluminum from scrap and extruding, rolling, or drawing are classified in U.S. Industry 331318, Other Aluminum Rolling, Drawing, and Extruding;

Sorting, breaking up, and wholesaling scrap metal without also smelting or refining are classified in Industry 423930, Recyclable Material Merchant Wholesalers.

Operating facilities where commingled recyclable materials, such as paper, plastics, used beverage cans, and metals, are sorted into distinct categories without also smelting or refining are classified in Industry 562920, Materials Recovery Facilities.

331315 Aluminum Sheet, Plate, and Foil Manufacturing

This industry comprises establishments primarily engaged in (1) flat rolling or continuous casting sheet, plate, foil and welded tube from purchased aluminum and/or (2) recovering aluminum from scrap and flat rolling or continuous casting sheet, plate, foil, and welded tube in integrated mills.

Establishments primarily engaged in making aluminum from alumina and flat rolling or continuous casting aluminum sheet, plate, foil, and welded tube are classified in U.S. Industry 331313, Alumina Refining and Primary Aluminum Production.

331318 Other Aluminum Rolling, Drawing, and Extruding

This industry comprises establishments primarily engaged in (1) rolling, drawing, or extruding shapes (except flat rolled sheet, plate, foil, and welded tube) from purchased aluminum and/or (2) recovering aluminum from scrap and rolling, drawing, or extruding shapes (except flat rolled sheet, plate, foil, and welded tube) in integrated mills.

Illustrative Examples:

Aluminum bar made by extruding purchased aluminum
Nails, aluminum, made in wire drawing plants
Rod made by extruding purchased aluminum
Structural shapes made by rolling purchased aluminum
Tube made by drawing or extruding purchased aluminum
Wire, bare, made in aluminum wire drawing plants

Flat rolling sheet, plate, foil, and welded tube from either purchased aluminum or by recovering aluminum from scrap and flat rolling or continuous casting are classified in U.S. Industry 331315, Aluminum Sheet, Plate, and Foil Manufacturing.

Making aluminum from alumina and making aluminum shapes are classified in U.S. Industry 331313, Alumina Refining and Primary Aluminum Production.