33121 - Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
If you're involved in manufacturing iron or steel pipes and tubes or are exploring government contracting opportunities, understanding NAICS Code 33121 is essential. This code specializes in a vital segment of the manufacturing industry and plays a crucial role in supplying materials for construction, plumbing, and industrial applications. In this post, we'll dive deep into NAICS 33121 and what it entails.
What is NAICS Code 33121?
NAICS Code 33121, titled Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, covers establishments primarily engaged in manufacturing iron and steel pipes and tubes using purchased steel. Instead of producing steel from raw materials, these companies focus on shaping and forming steel into pipes and tubes through various fabrication processes.
Key Characteristics:
- Manufacture iron and steel pipes and tubes from purchased steel
- Products are widely used in:
- Construction projects
- Plumbing systems
- Industrial applications such as oil and gas, automotive, and manufacturing equipment
Sector and Typical Business Activities
Sector: Manufacturing
This NAICS classification falls under the broad Manufacturing sector, highlighting its role in transforming raw or semi-finished materials into finished products that are essential for infrastructure and industrial use.
Typical Business Types / Activities:
- Steel pipe manufacturing
- Steel tube manufacturing
- Iron pipe production
- Fabrication of seamless or welded pipes and tubes
- Custom steel piping for specialized industrial needs
Size Standards for Eligibility
Understanding size standards is crucial for businesses seeking small business certifications or government contracts. For NAICS Code 33121:
| NAICS Code | Title | Size Standard (Number of Employees) |
|---|---|---|
| 33121 | Iron and Steel Pipe and Tube Manufacturing from Purchased Steel | 1,250 employees |
Businesses with 1,250 employees or fewer typically qualify as small businesses under this category, opening doors for small business set-asides and contracts.
Examples of Businesses Under NAICS 33121
Here are some examples of companies or business types classified under this NAICS code:
- Steel manufacturing plants specializing in pipe and tube products
- Iron pipe fabrication companies that purchase steel billets or coils
- Enterprises that supply steel pipes for plumbing contractors and construction firms
- Industrial tubing manufacturers serving sectors such as oil, gas, and automotive
NAICS Code 33121 at a Glance
| Aspect | Details |
|---|---|
| NAICS Code | 33121 |
| Title | Iron and Steel Pipe and Tube Manufacturing from Purchased Steel |
| Description | Manufacturing iron and steel pipes and tubes using purchased steel |
| Sector | Manufacturing |
| Primary Products | Iron and steel pipes, steel tubes |
| Typical Business Types | Steel pipe manufacturing, steel tube manufacturing, iron pipe production |
| Size Standard | 1,250 employees |
| Common End-Users | Construction, plumbing, industrial, oil & gas, automotive |
Frequently Asked Questions (FAQ)
What does NAICS Code 33121 specifically include?
NAICS 33121 includes establishments that manufacture iron and steel pipes and tubes from steel they purchase, instead of producing raw steel themselves. This covers processes like forming, shaping, welding, and finishing pipe products.
How does NAICS 33121 differ from raw steel manufacturing NAICS codes?
NAICS 33121 focuses solely on fabricating pipes and tubes from purchased steel rather than producing steel from raw materials like iron ore.
What industries commonly use products from NAICS 33121 businesses?
Products from this industry serve construction, plumbing, industrial machinery, automotive manufacturing, and energy sectors such as oil and gas pipelines.
Are businesses under NAICS 33121 eligible for small business government contracts?
Yes, businesses with 1,250 employees or fewer generally qualify as small businesses under this NAICS code and may access relevant government contracting opportunities.
Can a business involved in both steel production and pipe manufacturing use NAICS 33121?
Only the pipe and tube manufacturing portion applies under NAICS 33121. Steel production itself falls under a different NAICS category.
Conclusion
NAICS Code 33121 — Iron and Steel Pipe and Tube Manufacturing from Purchased Steel — is a vital classification within the manufacturing sector. Whether you are a manufacturer, supplier, or contractor, understanding this code can help identify your place in the industrial supply chain and navigate government contracting efficiently. From steel pipe fabrication to tube manufacturing, the businesses under this category play a significant role in supporting key industries worldwide.
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