Supporting possibilities with the world’s largest HSS.

Rolled right here in North America, Atlas Tube Jumbo HSS can help you build bigger, wider and taller than ever before. Watch our announcement video to learn how these new sizes are changing what’s possible with structural steel.

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The Advantages of Atlas Tube Jumbo HSS

The largest HSS made anywhere in the world
Squares up to 22"
Rounds up to 28"
Rectangles up to 34" x 10"
Walls up to 1"
Higher strength-to-weight ratios than wide-flange sections
Get more support with a smaller footprint and less weight
Save time and steel by using fewer, stronger pieces
Easily order custom lengths, reducing waste and fabrication time
Available from our mill and several stocking distributors across North America
Shortest lead times in the industry so you get your product when you need it


Jumbo HSS Brochure

Find out more about what sets Atlas Tube Jumbo HSS apart.

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Size Range

Learn more about our sizes and see our full jumbo range.

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Stocking Partners

Find out where Atlas Tube Jumbo HSS are currently in stock.

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A1085 HSS: Benefits & Advantages

Read about what makes ASTM A1085 HSS a powerful tool in your design kit.

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Looking for more?

Coming soon: Jumbo HSS rolled right here in the USA

Starting this fall, our new Blytheville, Arkansas, mill will be rolling Jumbo HSS up to 22″ square. Want to learn more? Read our press release or fill out the form below to get in touch.

What makes Atlas Tube Jumbo HSS different?

Learn what sets the new Atlas Tube Jumbo HSS apart in this video for engineers, architects and fabricators.

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For Engineers

Find out how HSS can help you design with more strength and less weight.

For Architects

Get access to resources that will help you design taller, wider and bigger than ever before.

For Fabricators

See how the high efficiency and unique shape of HSS can make your job easier.

For Contractors

Discover how building with HSS can make it easy to minimize weight and project time.