NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01

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

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

NAICS 331210 is the national industry code for iron and steel pipe and tube manufacturing from purchased steel establishments in the United States. The Small Business Administration sets a size standard of 1,000 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.

SBA: 1,000 View full SBA standard

Complete Index of Activities (6 recognized activities) ▼

boiler tubes, made from purchased steel

line pipe for oil or gas, made from purchased steel

oil pipe and tube (e.g., casing, tubing, drill pipe), made from purchased iron or steel

steel pipe and tubing, made from purchased steel

tubes, pipes or conduits (e.g., heavy riveted, lock joint, seamless, welded), made from purchased iron or steel

well casing (e.g., heavy riveted, lock joint, welded, wrought), made from purchased iron or steel

Official data

Feature	Description
Official name	North American Industry Classification System (NAICS) 2022
Issuing authority	U.S. Census Bureau with OMB, Statistics Canada, and INEGI
Tax authority	Internal Revenue Service (IRS)
Purpose	Statistical business classification and federal contracting (SAM.gov, SBA standards)
Used in	SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk)
Active since	2022 (current edition)
Hierarchy level	Sector (2-digit)
Source	https://www.census.gov/naics/