Part 4 — More Types of Beams You Are Likely to Encounter Welcome back to the "Behold the Beam" series of articles. In part three (Firehouse®, September 2010) of the series, we ...

Wide-flange is born The mill began rolling the beam in January of 1908 and Bethlehem Steel never looked back. Soon, every developer who wanted to go high did it with the so-called Bethlehem Beam.