(Reuters) - United States Steel Corp
Longhi, 59, who is also the steelmaker's chief operating officer, was given the title of president in June, and put in charge of a major cost-cutting initiative, prompting speculation that he was in line for the top job.
Surma, 59, touted U.S. Steel's "well-established succession planning process" in the release.
Longhi takes the helm as there is a massive oversupply in the global steel market.
He worked at aluminum producer Alcoa Inc
The company, a unit of Brazilian steelmaker Gerdau SA
Surma, who is also U.S. Steel's executive chairman, will retire from the board at the end of 2013, and Longhi has been elected to the board.
Separately, U.S. Steel said Chief Financial Officer Gretchen Haggerty would retire, and be replaced by David Burritt, who was chief financial officer of Caterpillar Inc
(Reporting by Allison Martell in Toronto; Editing by Bernard Orr and Leslie Gevirtz)