North American Industry Classification System (NAICS) Canada 2022 Version 1.0

• 31-33 - Manufacturing
• 331 - Primary metal manufacturing
• 3311 - Iron and steel mills and ferro-alloy manufacturing
• 33111 - Iron and steel mills and ferro-alloy manufacturing

331110 - Iron and steel mills and ferro-alloy manufacturing^US

This Canadian industry comprises establishments primarily engaged in smelting iron ore and steel scrap to produce pig iron in molten or solid form; converting pig iron into steel by the removal, through combustion in furnaces, of the carbon in the iron.

• Illustrative example(s)

  • blast furnaces
  • direct reduction of iron ore
  • electric arc furnace steel mills
  • iron ore recovery from open hearth slag
  • reclaiming iron and steel scrap from slag

  All examples

• Inclusion(s)

  • operation of electric arc furnace mini-mills
  • producing ferro-alloys
  • producing iron and steel basic shapes, such as plates, sheets, strips, rods and bars, and other fabricated products or casting ingots only

• Exclusion(s)

  • manufacturing iron and steel basic shapes by cold-rolling purchased metal, or drawing wire from purchased bars, rod or wire (See 33122 Rolling and drawing of purchased steel)
  • manufacturing iron and steel pipe and tube, from purchased metal (See 331210 Iron and steel pipes and tubes manufacturing from purchased steel)
  • operating coke ovens (See 324190 Other petroleum and coal product manufacturing)