United States securities and exchange commission logo July 6, 2022 Christine Breves Chief Financial Officer United States Steel Corp 600 Grant Street Pittsburgh, PA 15219-2800 Re: United States Steel Corp Form 10-K For the Fiscal Year Ended December 31, 2021 Filed February 11, 2022 Form 8-K furnished on January 27, 2022 File No. 001-16811 Dear Ms. Breves: We have completed our review of your filings. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Manufacturing