331210 — Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
Description
This industry comprises establishments primarily engaged in manufacturing welded, riveted, or seamless pipe and tube from purchased iron or steel (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- 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.
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 3317 - Steel Pipe and Tubes (via SIC1987:3317→NAICS1997:33121→2002:331210→2007:331210→2012:331210→2017:331210→2022:331210)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC 9640 — Iron and Steel Primary and Semifinished Products
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 331210 valid in 2022? ▾
Yes, 331210 is a valid 6-digit 2022 NAICS national industry code representing 'Iron and Steel Pipe and Tube Manufacturing from Purchased Steel' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 331210? ▾
The Small Business Administration (SBA) has established a small business size standard of 1,000 employees for NAICS code 331210 (Iron and Steel Pipe and Tube Manufacturing from Purchased Steel), calculated based on employees.
What is the legacy SIC equivalent for NAICS 331210? ▾
According to official Census Bureau concordance tables, NAICS code 331210 (Iron and Steel Pipe and Tube Manufacturing from Purchased Steel) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 3317 - Steel Pipe and Tubes.
Related Pages & Tools
Further regulatory reference links for NAICS code 331210:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 331210 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Iron and Steel Pipe and Tube Manufacturing from Purchased Steel).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.