NAICS Code 331511-03 - Foundries-Gray Iron (Manufacturing)

Marketing Level - NAICS 8-Digit

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NAICS CODE 331511-03
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NAICS Code 331511-03 Description (8-Digit)

Foundries-Gray Iron (Manufacturing) is a subdivision of the Iron Foundries (Manufacturing) industry, which involves the production of castings made of gray iron. Gray iron is a type of cast iron that has a graphitic microstructure, which gives it its characteristic gray color. This industry is responsible for producing a wide range of products, from small components to large machinery parts. Foundries-Gray Iron (Manufacturing) is a highly specialized industry that requires skilled workers and advanced technology to produce high-quality castings.

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 331511 page

Tools

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

  • Cupola furnace
  • Induction furnace
  • Ladles
  • Molding machines
  • Sand mixers
  • Core machines
  • Shot blasting machines
  • Grinding machines
  • Heat treatment furnaces
  • Spectrometers

Industry Examples of Foundries-Gray Iron (Manufacturing)

Common products and services typical of NAICS Code 331511-03, illustrating the main business activities and contributions to the market.

  • Engine blocks
  • Brake discs
  • Manhole covers
  • Pump housings
  • Gearboxes
  • Cylinder heads
  • Flywheels
  • Pipe fittings
  • Agricultural machinery parts
  • Mining equipment parts

History

A concise historical narrative of NAICS Code 331511-03 covering global milestones and recent developments within the United States.

  • The Foundries-Gray Iron (Manufacturing) industry has a long history dating back to the 5th century BC when the Chinese used iron to create weapons and tools. In the 17th century, the first iron foundry was established in the United States, and by the 19th century, the industry had grown significantly with the development of new technologies such as the Bessemer process. In the 20th century, the industry continued to evolve with the introduction of electric arc furnaces and computer-aided design. In recent years, the industry has faced challenges due to increased competition from overseas manufacturers and a decline in demand for cast iron products. In the United States, the Foundries-Gray Iron (Manufacturing) industry has a rich history that dates back to the colonial era. The first iron foundry in the United States was established in 1642 in Saugus, Massachusetts. During the 19th century, the industry grew rapidly with the development of new technologies such as the Bessemer process and the introduction of steam-powered machinery. In the 20th century, the industry continued to evolve with the introduction of electric arc furnaces and computer-aided design. In recent years, the industry has faced challenges due to increased competition from overseas manufacturers and a decline in demand for cast iron products.