331210 Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

Official definition

This industry comprises establishments primarily engaged in manufacturing welded, riveted, or seamless pipe and tube from purchased iron or steel.

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

• 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.

Source: US Census Bureau, 2022 NAICS cross-references.

Activities listed under 331210

The Census index assigns these 6 activities to this code. If your business matches one, this is your code.

• 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

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 331210

To count as a small business for SBA loans and federal contracts under NAICS 331210, your business (including affiliates) must not exceed 1,000 employees. Check your business.

Source: SBA table of size standards, effective March 17, 2023.

Closest UK SIC 2007 codes

There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 2431), so treat them as a starting point and check the definition.

• 24310Cold drawing of barsUK SIC

Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.