Definition
Primary Metal Manufacturing (NAICS 331)

Under this topic you will find the North American Industry Classification System definition of the Primary Metal Manufacturing (NAICS 331) subsector. You can use this definition to properly identify the segment of the industry you wish to study further in other sections of Canadian Industry Statistics.

Definition of the Subsector

This subsector comprises establishments primarily engaged in smelting and refining ferrous and non-ferrous metals from ore, pig or scrap in blast or electric furnaces. Metal alloys are made with the introduction of other chemical elements. The output of smelting and refining, usually in ingot form, is used in rolling and drawing operations to produce sheet, strip, bars, rods and wire, and in molten form to produce castings and other basic metal products.

Exclusions

Establishments primarily engaged in:

• manufacturing metal forgings or stampings (332, Fabricated Metal Product Manufacturing)