Steel production, as we know it, began in Braddock in 1875.
WEST MIFFLIN, Pa. — Beth Hammack, clad in a hard hat and safety glasses, strolled alongside red-hot sheets of metal at U.S. Steel’s Mon Valley Works Irvin Plant last week as she looked to get a sense ...
For centuries, steel has been valued for its high-tensile strength and durability and has been fundamental to societal advancement, allowing us to build bridges, railroads, ships, and skyscrapers.