New hot roller at Mon Valley works will feature Japanese company's latest tech
Nippon Steel pledged to invest $11 billion in U.S. Steel through 2028 when it purchased the company in 2025. (Photo by Hiroki Endo)
NAOKI MATSUDA
October 22, 2026 22:50 JST
TOKYO -- Japanese steelmaker Nippon Steel will invest about $3 billion in the Mon Valley works in the U.S. state of Pennsylvania, Nikkei has learned, as part of a plan to invest $11 billion in America through 2028.