331513 - Steel Foundries (except Investment)

Introduction

NAICS Code 331513, titled Steel Foundries (except Investment), represents a vital segment within the manufacturing sector. This classification is essential for businesses engaged in producing a wide range of steel castings that power industries such as machinery, automotive, construction, and transportation. Understanding NAICS 331513 is critical for contractors, investors, and companies aiming to participate in government contracts or industrial supply chains related to steel foundry operations.

What is NAICS Code 331513?

NAICS 331513 covers establishments primarily engaged in the manufacturing of steel castings by pouring molten steel into molds. Unlike investment casting, these foundries focus on traditional casting processes that yield robust and unfinished steel castings. The castings produced are fundamental components for many heavy-duty applications, including railroad car wheels, rolling mill rolls, and diverse machinery parts.

Sector and Business Activities

• Sector: Manufacturing
• Industry Activities Include:
  • Alloy steel castings (except investment), unfinished, manufacturing
  • Cast steel railroad car wheels, unfinished, manufacturing
  • Steel casting production (excluding investment castings)
  • Manufacturing stainless steel castings (except investment), unfinished
  • Rolling mill rolls, steel, manufacturing
  • Steel pattern and mold manufacturing

These activities underscore the importance of steel foundries in producing durable and precision components vital for industrial infrastructure.

Size Standards for NAICS 331513

The U.S. Small Business Administration (SBA) standard for small businesses classified under NAICS 331513 is up to 700 employees. This threshold is essential to determine eligibility for various government programs, contracts, and small business benefits.

Typical Businesses Under NAICS 331513

Businesses and activities typically assigned to NAICS 331513 include:

• Steel casting foundries specializing in pouring molten steel into molds
• Steel pattern shops producing patterns used in steel casting molds
• Steel mold manufacturers creating molds for steel casting processes
• Manufacturers fabricating unfinished steel castings for industrial use

These companies are pivotal to sectors requiring high-strength steel components, offering customized casting solutions and intricate steel fabrication.

NAICS 331513 Code Details

Description	Details
NAICS Code	331513
Title	Steel Foundries (except Investment)
Sector	Manufacturing
Included Activities	Alloy steel castings (except investment), unfinished, manufacturing
	Cast steel railroad car wheels, unfinished, manufacturing
	Steel castings (except investment), unfinished, manufacturing
	Steel foundries (except investment)
	Rolling mill rolls, steel, manufacturing
	Stainless steel castings (except investment), unfinished, manufacturing
Size Standard (Employees)	700
Typical Business Types	Steel casting foundries, Steel pattern shops, Steel mold manufacturers

Frequently Asked Questions (FAQ)

What is the primary activity in NAICS 331513?

The primary activity is manufacturing steel castings by pouring molten steel into molds, excluding the investment casting process.

How does NAICS 331513 differ from investment casting?

Investment casting involves creating molds through wax patterns, typically used for intricate, small parts. NAICS 331513 covers foundries using traditional mold-making methods for larger and robust steel castings.

What industries use products from NAICS 331513?

Products serve machinery, automotive, railroad, construction, and heavy equipment manufacturing industries.

What is the SBA size standard for NAICS 331513?

It is up to 700 employees for a business to be considered small under this classification.

Can a steel pattern shop fall under NAICS 331513?

Yes, steel pattern shops related to the casting process are typically classified under 331513.

Conclusion

NAICS Code 331513 encapsulates a specialized yet crucial part of the steel manufacturing sector, focusing on the production of unfinished steel castings that support numerous industries. Whether you operate or seek to engage with steel foundries, understanding this NAICS code helps align your business operations with industry classifications, compliance standards, and opportunities for growth within manufacturing and government contracting.

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