NAICS Code 331511-06 - Gray & Ductile Iron Foundries (Manufacturing)

Marketing Level - NAICS 8-Digit

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NAICS CODE 331511-06
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NAICS Code 331511-06 Description (8-Digit)

Gray & Ductile Iron Foundries (Manufacturing) is a subcategory of the Iron Foundries (Manufacturing) industry. This industry involves the production of iron castings using gray and ductile iron. Gray iron is a type of cast iron that has a graphitic microstructure, while ductile iron is a type of cast iron that has a nodular microstructure. The castings produced by this industry are used in a wide range of applications, including automotive parts, pipes, valves, pumps, and machinery.

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 Gray & Ductile Iron Foundries (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 Gray & Ductile Iron Foundries (Manufacturing)

Common products and services typical of NAICS Code 331511-06, illustrating the main business activities and contributions to the market.

  • Automotive engine blocks
  • Pipe fittings
  • Pump housings
  • Valve bodies
  • Manhole covers
  • Agricultural machinery parts
  • Railroad components
  • Mining equipment parts
  • Hydraulic components
  • Construction machinery parts

History

A concise historical narrative of NAICS Code 331511-06 covering global milestones and recent developments within the United States.

  • The Gray & Ductile Iron Foundries (Manufacturing) industry has a long history dating back to the 5th century BC when the Chinese used iron to make 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 introduction of new technologies such as the Bessemer process. In the 20th century, the industry continued to evolve with the development of new casting techniques and the use of computer-aided design. In recent years, the industry has faced challenges due to increased competition from overseas manufacturers and the rising cost of raw materials. In the United States, the Gray & Ductile Iron Foundries (Manufacturing) industry has a rich history that dates back to the colonial era. The industry grew rapidly during the 19th century, driven by the demand for cast iron products such as stoves, pipes, and machinery. In the 20th century, the industry continued to expand with the introduction of new technologies such as electric arc furnaces and the use of recycled scrap metal. Today, the industry faces challenges such as rising energy costs, increased competition from overseas manufacturers, and the need to comply with environmental regulations. Despite these challenges, the industry remains an important part of the US manufacturing sector, providing jobs and contributing to the economy.