In response to the COVID-19 pandemic, Totten Tubes is considered an essential business and will remain open to serve the needs of our valuable customers. Totten Tubes is taking the necessary measures to ensure the safety of our employees while serving our customers. Thank you for your business and support during these uncertain times. Please take care, stay well and know Totten Tubes is committed to the vital industries and customers we serve. Please give us a call at 800-882-3748 if you have any additional questions.

Totten Tubes Inc

Structural Round Steel Tubing

Whether you’re building skyscrapers or compact harvesters, highway bridges or industrial shelving, you require high-quality round steel tube from a supplier you trust. Totten Tubes is that supplier. We offer round steel tube sizes ranging from 3/8” outside diameter (OD) to 20” OD, and our diverse stock includes options that are difficult to find from other steel distributors:

Despite our massive inventory and extensive sourcing capabilities, Totten Tubes understands that not all industrial and commercial projects can be satisfied with off-the-shelf round steel tubing options. Our laser tube cutting capabilities and other custom tubing services deliver final orders that match every specification. Contact us today to learn more.

Round Steel Tube Sizes & Specifications

Structural round steel tubing from Totten Tubes is the best in its class, and we are ready to meet the needs of diverse projects across industries.

Round Steel Tube Size Chart

Finding the right size round steel tube can be difficult. Unlike other companies that stock steel tubing in a limited range of sizes, Totten Tubes offers a broad in-stock selection of hard-to-find round steel tubing. Call 800-882-3748 to speak with a representative directly and discuss your options.

Round Steel Tubing to Match ASTM Standards

ASTM standards have been adopted by many state, federal, and international guidelines. To make sure your final assembly meets or exceeds all regulations, we offer round steel tube that matches a variety of ASTM specifications:

Expert Resources for Structural Round Tubing & Other Steel Tube Products

Totten Tubes is not just your top round steel tube supplier—we’re also your trusted provider of expert knowledge on all things steel tube. Explore our library of resources for assistance navigating your steel tube options:

We are the Leading Round Steel Tube Supplier for Your Industry

With over 65 years of selling mechanical and structural round steel tubing for commercial and industrial constructions, Totten Tubes has the expertise to tackle the challenges of any industry. Our team will work closely with you to ensure you receive the best products and services for your specific market:

Supplying the North American West Coast & Beyond with Round Steel Tubing

Totten Tubes is your #1 round steel tube supplier. We work with a global network of manufacturers to ensure we always have the round steel tube and other steel tube products you need to complete your job on time, in budget, and without interruption. To support your operations as efficiently as possible, we maintain several locations across the North American West Coast:

The market’s best round steel tube is only a truck, rail car, or container ship away. Contact your nearest location or request a quote to get started.