NAICS 331210: Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel is NAICS code 331210. A business is small under it with 1,000 employees or fewer. 4 federal contracts are open on SAM.gov under this code right now.

SBA size standard
1,000 employees or fewer
Open contracts now
4
Federal spending, FY2025
$14.6 million
Share won by small businesses
77%

Open federal contracts for iron and steel pipe and tube manufacturing from purchased steel

  • Manti-LaSal National Forest Culverts

    Department of Agriculture · Forest Service · Price, UT

    Manufactured parts & equipmentSmall business

    Due in 2 daysOct 9, 2026

  • TUBE,METALLIC

    Dept of Defense · Defense Logistics Agency

    ✦ DLA Land and Maritime is asking small businesses to quote on 2,808 feet of metallic tube (NSN 4710-00-278-6402) for delivery within 122 days after award.

    Manufactured parts & equipmentSmall business

    Due in 8 daysOct 15, 2026

  • TUBE AND FITTINGS,M

    Dept of Defense · Defense Logistics Agency

    Manufactured parts & equipmentSmall business

    Due in 9 daysOct 16, 2026

  • TUBE,METALLIC

    Dept of Defense · Defense Logistics Agency

    ✦ DLA is requesting quotes for Metallic tube, NSN 4710005414932.

    Manufactured parts & equipmentSmall business

    Due in 14 daysOct 21, 2026

What NAICS 331210 covers

The Census Bureau's NAICS index lists these kinds of work under 331210:

  • Boiler tubes, wrought, made from purchased iron
  • Conduit, welded and lock joint, made from purchased iron or steel
  • Pipe (e.g., heavy riveted, lock joint, seamless, welded) made from purchased iron or steel
  • Tube (e.g., heavy riveted, lock joint, seamless, welded) made from purchased iron or steel
  • Tubing, mechanical and hypodermic sizes, cold-drawn stainless steel, made from purchased steel
  • Well casings (e.g., heavy riveted, lock joint, welded, wrought) made from purchased iron or steel

Read the full definition, including what's excluded, on census.gov.

SBA size standard for 331210

To count as a small business for a contract assigned NAICS 331210, your business must have 1,000 employees or fewer. Employees are averaged over the last 24 months.

From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.

Who buys iron and steel pipe and tube manufacturing from purchased steel

Agencies that awarded the most under NAICS 331210 over the last three fiscal years, per USAspending.gov:

AgencyObligated
Defense Logistics Agency$40.8 million
Department of the Army$3.4 million
Department of the Navy$1.9 million
Department of Energy$591,781
Forest Service$556,141
National Park Service$410,174
U.S. Coast Guard$343,325
Bureau of Reclamation$343,249

Open notices right now come from Dept of Defense (3) and Department of Agriculture (1).

Set-asides on open 331210 contracts

  • Total small business set-aside: 4

Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.

Federal spending under 331210 by year

Fiscal yearContract obligations
FY2024$19.8 million
FY2025$14.6 million
FY2026$15.1 million
FY2027 (so far)$0

Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.

Related NAICS codes

Frequently asked questions

What is NAICS code 331210?

331210 is the 2022 NAICS code for Iron and Steel Pipe and Tube Manufacturing from Purchased Steel. The Census Bureau's index lists work such as boiler tubes, wrought, made from purchased iron, conduit, welded and lock joint, made from purchased iron or steel, pipe (e.g., heavy riveted, lock joint, seamless, welded) made from purchased iron or steel under it. Federal contracting uses the 2022 codes.

What is the SBA size standard for NAICS 331210?

1,000 employees or fewer. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.

Are there government contracts for iron and steel pipe and tube manufacturing from purchased steel?

Yes. 4 federal contract opportunities under NAICS 331210 are open on SAM.gov right now. Agencies obligated about $14.6 million under this code in fiscal year 2025, according to USAspending.gov.

How do I add NAICS code 331210 to my SAM.gov registration?

Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.

Keep going

FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.