The deal is sealed. Japanese steelmaker Nippon Steel Corp. is the proud new owner of a 125-year Pittsburgh institution, U.S. Steel Corp. The two companies on Wednesday morning announced that the $14.9 billion sale, first inked in December 2023 and put through a bruising political wringer, has closed and Nippon has assumed control. Read the latest at the link in our bio. 📝: Anya Litvak/Post-Gazette 📸: Justin Guido/Post-Gazette #pittsburgh #ussteel