U.S. Steel Tower
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The U.S. Steel Tower, also known as the Steel Building, or USX Tower, is a 64-story skyscraper at 600 Grant Street in downtown Pittsburgh, Pennsylvania. The interior has 2,300,000 sq ft of leasable sp
U.S. Steel Tower in 2025
Another view of the U.S. Steel Tower with the University of Pittsburgh Medical Center sign.
The view from the 62nd floor of the U.S. Steel Tower
A view showing the corner angles, window layout, and exterior support columns
Weathering steel
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Weathering steel, often called corten steel is a group of steel alloys that form a stable external layer of rust that eliminates the need for painting. It was first introduced in 1933 by U.S. Steel Co
U.S. Steel Tower
…liquid-filled fireproofed columns. U.S. Steel deliberately placed the massive steel columns on the exterior of the building to showcase a new product called Cor-ten steel. Cor-ten resists the corrosive effects of rain, snow, ice, fog, and other meteorological conditions by forming a coating of dark brown oxidation…
Texture of a sheet of Cor-Ten after being exposed to the elements for 5 years. The rust can form unevenly based on the composition of the metal.
Moorestown Interchange over the New Jersey Turnpike in 2015
Broadcasting Tower, Leeds, United Kingdom
Abetxuko Bridge by Juan Sobrino of PEDELTA at Abetxuko, Vitoria, Spain