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.

Square Steel Tubing

When quality and a variety of sizing options are a must, Totten Tubes is your best resource for square steel tubing. We aim to meet the needs of clients in every industry by offering square steel tubing in structural and mechanical grades. Our broad selection includes tubes in sizes from 3/8” x 3/8” up to 20” x 20”.

Square Steel in Any Size

Most companies stock steel tubing in a limited range of sizes. At Totten Tubes, our selection includes standard sizes as well as sizes that are hard to find anywhere else.


Structural Grade Square Steel Tubing

Structural grade steel tubing can be used for a broad range of static applications. Just as the descriptor “structural” implies, square steel tubing can be used in structures ranging from small and simple (signposts and trailer beds) to large and complex (supports for skyscrapers and bridges). At Totten Tubes, we offer square steel tubing for all types of structural applications.

For more information about the structural steel tubing that we offer, please view the A500 spec sheet

Advantages of Square Steel Tubing

Used for a variety of applications, some benefits of square tubing include:

  • Cost-effective
  • Strength
  • Uniformity

Totten Tubes offers square steel tubing that can be cut to fit specific applications where standard-sized tubing will not work.

Mechanical Steel Tubing

Square steel tubing is equally useful for dynamic applications, ranging from automotive to agricultural. In any type of machinery, you are bound to discover that square steel tubing plays a pivotal role in the machine’s function. Whatever your mechanical application, we have the square steel tubing that you need.

Learn more about our mechanical steel tubing by viewing the A513 spec sheet.

Advantages of Mechanical Steel Tubing

Useful in many industries like automotive and construction, mechanical steel tubing also has the following benefits:

  • Cost-effective
  • High tensile strength
  • Uniformity
  • Wide variety of shapes and size ranges

Contact Totten Tubes for Square Steel Tubing Today

For over 65 years, Totten Tubes has been an industry-leading manufacturer of steel tubing and pipe products. In addition to carrying an extensive selection of in-stock standard tubing, we also offer custom cut steel tubing with specialty dimensions.

Request a quote or for more information about square steel tubing for structural or mechanical applications, contact Totten Tubes today.