US Steel said Wednesday it finalized its merger with Japan’s largest steelmaker, Nippon. President Trump lauded the acquisition as a partnership in which the U.S. would maintain a “golden

Nippon Steel and U.S. Steel say they've finalized their “historic partnership,” a year-and-a-half after the Japanese company first proposed its deal to buy the iconic American steelmaker for nearly $15 billion.

Nippon Steel completes its purchase of U.S. Steel after more than a year and half of high-stakes negotiations and national security concerns.