New hot roller at Mon Valley works will feature Japanese company's latest tech Nippon Steel pledged to invest 3 billion in the Mon Valley works in the U.S.

New hot roller at Mon Valley works will feature Japanese company's latest tech Nippon Steel pledged to invest 11billioninU.S.Steelthrough2028whenitpurchasedthecompanyin2025.(PhotobyHirokiEndo)TOKYO−−JapanesesteelmakerNipponSteelwillinvestabout11 billion in U.S. Steel through 2028 when it purchased the company in 2025. (Photo by Hiroki Endo) 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.