NAICS Code 327992-07 - Slag (Manufacturing)

Marketing Level - NAICS 8-Digit

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NAICS CODE 327992-07
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NAICS Code 327992-07 Description (8-Digit)

Slag manufacturing is a process of producing a byproduct of metal smelting operations. It involves the separation of impurities from molten metal, resulting in a glass-like substance that is commonly used in construction and road building. The process of slag manufacturing is highly specialized and requires a deep understanding of metallurgy and chemistry.

Parent Code - Official US Census

Official 6‑digit NAICS codes serve as the parent classification used for government registrations and documentation. The marketing-level 8‑digit codes act as child extensions of these official classifications, providing refined segmentation for more precise targeting and detailed niche insights. Related industries are listed under the parent code, offering a broader context of the industry environment. For further details on the official classification for this industry, please visit the U.S. Census Bureau NAICS Code 327992 page

Tools

Tools commonly used in the Slag (Manufacturing) industry for day-to-day tasks and operations.

  • Blast furnace
  • Ladle
  • Slag pot
  • Tongs
  • Skimmer
  • Slag crusher
  • Conveyor belt
  • Magnetic separator
  • Vibrating screen
  • Water spray system

Industry Examples of Slag (Manufacturing)

Common products and services typical of NAICS Code 327992-07, illustrating the main business activities and contributions to the market.

  • Road construction materials
  • Cement production
  • Railroad ballast
  • Asphalt filler
  • Landscaping materials
  • Drainage systems
  • Abrasive blasting media
  • Insulation materials
  • Soil amendment products
  • Roofing materials

History

A concise historical narrative of NAICS Code 327992-07 covering global milestones and recent developments within the United States.

  • The slag manufacturing industry has a long history dating back to the 19th century. The first blast furnace slag was produced in the UK in the 1860s, and by the early 1900s, the use of slag as a construction material had become widespread. In the United States, the industry began to grow rapidly in the 1920s, with the development of new technologies for processing slag. During World War II, the industry experienced a boom as demand for construction materials increased. In recent years, the industry has continued to evolve, with new methods for processing slag and new applications for the material being developed. For example, slag is now being used as a component in the production of cement, as a soil conditioner, and as a substitute for sand in the production of concrete.