Steel Foundries (Except Investment)
Key Figures
Figures are published for NAICS 331513 directly.
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Official definition
This U.S. industry comprises establishments primarily engaged in manufacturing steel castings (except steel investment castings). Establishments in this industry purchase steel made in other establishments.
Source: US Census Bureau, 2017 NAICS Definitions. Public domain.
Which code does this activity belong in?
Steel Foundries (except Investment) comprises establishments that pour molten steel into molds to create castings, purchasing their steel from other manufacturers. The key boundary distinguishes this code from Steel Investment Foundries, which use the specialized investment casting process involving wax patterns and refractory slurry to produce highly detailed castings; establishments using standard mold-pouring methods for steel castings belong in 331513. Iron Foundries, classified separately, work with molten pig iron or iron alloys rather than steel to manufacture cast iron products.