Description Architect: Harrison Abramovitz and Abbe
• The triangular building's most striking feature is its massive exterior steel columns used showcase a new product (at the time) called Cor-ten steel.
• Known as the U.S. Steel Building from 1970 to 1988, when it was renamed the USX Tower. In 2002 the building's name was changed back to the U.S. Steel Tower.
• The building was the first in history to use liquid-fireproofed columns.
• Rockwell International Corporation was headquartered in this building from 1970 to the mid-1980's, in that time a large model of the Rockwell NASA Space Shuttle stood in the lobby.
• In 2008, the University of Pittsburgh Medical Center moved into the top five floors and purchased three 20 foot tall signs reading "UPMC" on the top three sides of the building.
• When it was completed, the U.S. Steel Tower was the tallest building between Chicago and New York City and the tallest in the state of Pennsylvania. It lost that title to One Liberty Place in Philadelphia in 1987. The building still remains as the tallest in Pittsburgh.
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