Using 80-ksi steel in upper perimeter columns—a first in the U.S.—helped the design team reduce the steel by almost 20% at 320 S. Canal, a 51-floor office tower under construction in Chicago’s Loop.

Thanks to a number of key innovations, steel is playing a greater role in residential high-rises, senior and student housing, and taller mixed-use developments, says architect Jayshree Shah, AIA, ...

Metal building system builders have an option to use straight columns or tapered columns to hold up the structure. In many metal building applications, straight columns may have more steel than they ...

The company that fabricated the Chrysler Building’s steel punched a hole in my assumption about who supplied it. To me, it only made sense that American Bridge, a subsidiary of mammoth U.S. Steel Corp ...