331110 Iron and Steel Mills and Ferroalloy Manufacturing

This industry comprises establishments primarily engaged in one or more of the following: (1) direct reduction of iron ore; (2) manufacturing pig iron in molten or solid form; (3) converting pig iron into steel; (4) making steel; (5) making steel and manufacturing shapes (e.g., bar, plate, rod, sheet, strip, wire); (6) making steel and forming pipe and tube; and (7) manufacturing electrometallurgical ferroalloys. Ferroalloys add critical elements, such as silicon and manganese for carbon steel and chromium, vanadium, tungsten, titanium, and molybdenum for low- and high-alloy metals. Ferroalloys include iron-rich alloys and more pure forms of elements added during the steel manufacturing process that alter or improve the characteristics of the metal.

Cross-References. Establishments primarily engaged in--
  • Operating coke ovens--are classified in U.S. Industry 324199, All Other Petroleum and Coal Products Manufacturing;
  • Manufacturing nonferrous superalloys, such as cobalt or nickel-based superalloys--are classified in U.S. Industry 331492, Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum);
  • Manufacturing concrete reinforcing bar by rolling and drawing steel from purchased steel--are classified in U.S. Industry 331221, Rolled Steel Shape Manufacturing; and
  • Manufacturing fabricated structural metal products from concrete reinforcing bars and fabricated bar joists--are classified in U.S. Industry 332312, Fabricated Structural Metal Manufacturing.
2007
NAICS
  2012
NAICS
  2017
NAICS
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Entries
331111 331110 331110  Armor plate made in iron and steel mills
331111 331110 331110  Axles, rolled or forged, made in iron and steel mills
331111 331110 331110  Balls, steel, made in iron and steel mills
331111 331110 331110  Bars, concrete reinforcing (rebar) made in steel mills
331111 331110 331110  Bars, iron, made in iron and steel mills
331111 331110 331110  Bars, steel, made in iron and steel mills
331111 331110 331110  Billets, steel, made in iron and steel mills
331111 331110 331110  Blackplate made in iron and steel mills
331111 331110 331110  Blast furnaces
331111 331110 331110  Blooms, steel, made in iron and steel mills
331111 331110 331110  Car wheels, rolled steel, made in iron and steel mills
331111 331110 331110  Coke oven products made in iron and steel mills
331111 331110 331110  Concrete reinforcing bar (rebar) made in iron and steel mills
331111 331110 331110  Direct reduction of iron ore
331112 331110 331110  Electrometallurgical ferroalloy manufacturing
331111 331110 331110  Electrometallurgical steel manufacturing
331111 331110 331110  Fence posts, iron or steel, made in iron and steel mills
331112 331110 331110  Ferroalloys manufacturing
331112 331110 331110  Ferrochromium manufacturing
331112 331110 331110  Ferromanganese manufacturing
331112 331110 331110  Ferromolybdenum manufacturing
331112 331110 331110  Ferrophosphorus manufacturing
331112 331110 331110  Ferrosilicon manufacturing
331112 331110 331110  Ferrotitanium manufacturing
331112 331110 331110  Ferrotungsten manufacturing
331112 331110 331110  Ferrovanadium manufacturing
331111 331110 331110  Flakes, iron or steel, made in iron and steel mills
331111 331110 331110  Flats, iron or steel, made in iron and steel mills
331111 331110 331110  Forgings, iron or steel, made in iron and steel mills
331111 331110 331110  Frogs, iron or steel, made in iron and steel mills
331111 331110 331110  Galvanizing metals and metal formed products made in iron and steel mills
331111 331110 331110  Gun forgings made in iron and steel mills
331112 331110 331110  High percentage nonferrous alloying elements (i.e., ferroalloys) manufacturing
331111 331110 331110  Hoops made in iron and steel mills
331111 331110 331110  Hoops, galvanized, made in iron and steel mills
331111 331110 331110  Hot-rolling iron or steel products in iron and steel mills
331111 331110 331110  Ingot made in iron and steel mills
331111 331110 331110  Iron ore recovery from open hearth slag
331111 331110 331110  Iron sinter made in iron and steel mills
331111 331110 331110  Iron, pig, manufacturing
331112 331110 331110  Manganese metal ferroalloys manufacturing
331111 331110 331110  Mesh, wire, made in iron and steel mills
331111 331110 331110  Mini-mills, steel
331112 331110 331110  Molybdenum silicon ferroalloys manufacturing
331111 331110 331110  Nut rods, iron or steel, made in iron and steel mills
331111 331110 331110  Paste, iron or steel, made in iron and steel mills
331111 331110 331110  Pig iron manufacturing
331111 331110 331110  Pilings, iron or steel plain sheet, made in iron and steel mills
331111 331110 331110  Pipe, iron or steel, made in iron and steel mills
331111 331110 331110  Plate, iron or steel, made in iron and steel mills
331111 331110 331110  Powder, iron or steel, made in iron and steel mills
331111 331110 331110  Rail joints and fastenings made in iron and steel mills
331111 331110 331110  Railroad crossings, iron or steel, made in iron and steel mills
331111 331110 331110  Rails rerolled or renewed in iron and steel mills
331111 331110 331110  Rails, iron or steel, made in iron and steel mills
331111 331110 331110  Rods, iron or steel, made in iron and steel mills
331111 331110 331110  Rounds, tube, steel, made in iron and steel mills
331111 331110 331110  Sheet pilings, plain, iron or steel, made in iron and steel mills
331111 331110 331110  Sheets, steel, made in iron and steel mills
331111 331110 331110  Shell slugs, steel, made in iron and steel mills
331112 331110 331110  Silicomanganese ferroalloys manufacturing
331111 331110 331110  Skelp, iron or steel, made in iron and steel mills
331111 331110 331110  Slab, steel, made in iron and steel mills
331112 331110 331110  Spiegeleisen ferroalloys manufacturing
331111 331110 331110  Spike rods made in iron and steel mills
331111 331110 331110  Sponge iron
331111 331110 331110  Stainless steel made in iron and steel mills
331111 331110 331110  Steel balls made in iron and steel mills
331111 331110 331110  Steel manufacturing
331111 331110 331110  Steel mill products (e.g., bar, plate, rod, sheet, structural shapes) manufacturing
331111 331110 331110  Steel mills
331111 331110 331110  Steel, from pig iron, manufacturing
331111 331110 331110  Strip, galvanized iron or steel, made in iron and steel mills
331111 331110 331110  Strip, iron or steel, made in iron and steel mills
331111 331110 331110  Structural shapes, iron or steel, made in iron and steel mills
331111 331110 331110  Superalloys, iron or steel, manufacturing
331111 331110 331110  Template, made in iron and steel mills, manufacturing
331111 331110 331110  Terneplate made in iron and steel mills
331111 331110 331110  Ternes, iron or steel, long or short, made in iron and steel mills
331111 331110 331110  Tie plates, iron or steel, made in iron and steel mills
331111 331110 331110  Tin-free steel made in iron and steel mills
331111 331110 331110  Tinplate made in iron and steel mills
331111 331110 331110  Tool steel made in iron and steel mills
331111 331110 331110  Tube rounds, iron or steel, made in iron and steel mills
331111 331110 331110  Tube, iron or steel, made in iron and steel mills
331111 331110 331110  Tubing, seamless steel, made in iron and steel mills
331111 331110 331110  Tubing, wrought iron or steel, made in iron and steel mills
331111 331110 331110  Well casings, iron or steel, made in iron and steel mills
331111 331110 331110  Wheels, car and locomotive, iron or steel, made in iron and steel mills
331111 331110 331110  Wire products, iron or steel, made in iron and steel mills
331111 331110 331110  Wrought iron or steel pipe and tubing made in iron and steel mills