Salesforce Tower, Chicago, USA

As Chicago’s 17th tallest building, the steel marvel will rise 60 floors above Wolf Point Plaza and boast 1.2 million square feet of useable space.

The three-phase development plan brings to life one of the last remaining riverfront sites in the Windy City, a prime location for commerce, transportation, and civic activity.

The tower’s glass-clad exterior is framed by Nucor’s Aeos high-strength structural steel. Aeos, short for Agile, Optimized, Efficient, and Sustainable, is the United States’ only domestically produced A913 steel.

Strong enough to meet the engineering requirements for a tower of this magnitude, this advanced steel is also flexible and structurally versatile enough to achieve the project’s innovative architectural vision.

Nucor produces Aeos from over 90 percent recycled metal, and both the material produced, and the company’s waste is 100 percent recyclable as well.

Project team:

The Salesforce Tower Chicago is still under construction, but it’s already defining Chicago’s urban epicentre-and the future of steel construction.

“I feel the future of the steel industry is very bright with the innovations that we’ve seen over the last number of years with higher grade material, availability of material domestically, shorter lead times, there are just so many things that provide a real bright future for the steel industry.” Dave Eckmann, PE, SE Senior Principal, MKA

This addition to the city’s skyline showcases a harmonious synergy of engineering and architecture. In the meantime, the Riverfront community watches in wonder as this graceful synergy takes shape.

Learn more about AEOS at and

Images: Nucor / Hines