331210

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

Manufacturing › Primary Metal Manufacturing › Steel Product Manufacturing from Purchased Steel

SBA Size Standard

1,000 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

33

Sector

Manufacturing

331

Subsector

Primary Metal Manufacturing

3312

Industry Group

Steel Product Manufacturing from Purchased Steel

331210

National Industry (This Code)

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
This industry comprises establishments primarily engaged in manufacturing welded, riveted, or seamless pipe and tube from purchased iron or steel.

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

1,000 employees

Measurement Period

Current count

Standard Type

Employee-Based

Applies To

All contracts under NAICS 331210

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

Establishments primarily engaged in making steel and further processing the steel into steel pipe and tube are classified in Industry 331110, Iron and Steel Mills and Ferroalloy Manufacturing.

How to Use NAICS 331210 in SAM.gov

NAICS code 331210Iron and Steel Pipe and Tube Manufacturing from Purchased Steel — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Steel Product Manufacturing from Purchased Steel space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of 1,000 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 331210.

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Frequently Asked Questions

What is NAICS code 331210?

NAICS code 331210 is 'Iron and Steel Pipe and Tube Manufacturing from Purchased Steel', classified under the Manufacturing sector (NAICS 33). This industry comprises establishments primarily engaged in manufacturing welded, riveted, or seamless pipe and tube from purchased iron or steel. Cross-References.

What is the SBA small business size standard for NAICS code 331210?

The SBA defines a small business under NAICS code 331210 (Iron and Steel Pipe and Tube Manufacturing from Purchased Steel) as one with 1,000 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 331210 in SAM.gov?

To register NAICS code 331210 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 331210 (Iron and Steel Pipe and Tube Manufacturing from Purchased Steel) to your NAICS code list. You may designate one code as your Primary NAICS code.

Quick Actions

Related NAICS Codes

Other codes in Steel Product Manufacturing from Purchased Steel

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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