Please direct all sales inquiries to

Chicago Tube and Iron

Founded in 1914, CTI is one of the largest specialty steel service centers in the United States, with ten branches throughout the Midwest and in Monterrey, Mexico. Inventory and value added processing is facilitated in over 1.2 million square feet of efficient, state-of-the-art facilities. CTI houses over 30,000 line items of inventory from the world’s premier manufacturers. Our hundred year history of consistent growth has allowed us to attract talented personnel, expand our inventory and acquire leading edge equipment to provide you with Consistent Reliable Customer Service.

Your attention to detail prevented us from having to experience a lot of last-minute scrambling and panic. I wish all of our customer service folks and suppliers were like CTI .

Dave Heinen Tactical Buyer, Corporate Procurement, Vermeer March 26, 2015

Chicago Tube has been very responsive in providing guidance and samples for Sico’s changeover to HSLA tube steel on a significant product redesign project. Timely delivery of short-run samples was critical to helping us verify our designs and ensure that it could be processed through our facility with existing tooling.

Chris Dickey Product Development Engineer, SICO North America March 30, 2015

SICO’s receiving and storage for tube steel presents many challenges due to the nature of our location and building structure. SICO has always had a local supplier that would deliver frequent smaller loads and schedule deliveries as weather permitted. When SICO’s long term supplier changed its business model, Chicago Tube and Iron stepped in to

Monica Svobodny Procurement Manager, SICO North America March 30, 2015

Knowledgeable Customer Service, vast product knowledge along with delivering quality products are just a few key factors that set CTI apart from the competition. CTI’s mill relationships have given Super Radiator more options as our product mix continues to be more diverse. Chicago Tube and Iron is a supplier that is always available and ready

Kenneth D. Klatt Corporate Director of Materials, Super Radiator Coils March 26, 2015

After reviewing CTI’s operations there are a number of potential opportunities to supply new and value-added products and components to SICO.

Paul Bender Vice President Operations, SICO North America March 30, 2015

Chicago tube Brochures


View and print copies of brochures that describe in detail our many products and services.
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chicago tube videos


If a picture is worth a thousand words, these videos showing some of our many capabilities will speak volumes. Come see our “jumbo” tube laser create precision parts for our customers with a beam of light.
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Technical Information Chicago Tube Iron

Technical Information

We’ve published a wide variety of technical information to help make your job easier.
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Related Websites

CTI Power

CTI Power

CTI Power is dedicated to the engineering and manufacturing of quality replacement and upgraded pressure parts for the utility and other industries. Our ASME code shop is centrally located in the Charlotte, North Carolina area which allows for timely delivery of your products. Our experienced staff and professional workforce will meet or exceed your expectations.

Olympic Steel

Olympic Steel

When Olympic Steel was founded in 1954, our business focused on warehousing and distribution of steel from a single facility with no major processing equipment. Today, our enterprise has an enormously wider range, focused on growth, geographic and customer diversity and the value-added processing of flat-rolled metals.

CTI Employee Store

CTI Employee Store

Find great clothing and accessories sporting the CTI logo at our company store.

100th Anniversary Chicago Tube Celebration

100th Anniversary Celebration

A group of guys with an idea. An idea not really new even 100 years ago, but a sound idea… build a company on people.

Come check out our history over the past 100 years!