Nippon Steel Corp., the world's second-biggest maker of the metal, raised prices of plate to Hyundai Heavy Industries Co. by about 50 percent to a record as costs surged, according to two people familiar with the matter. The steelmaker and Hyundai, the world's biggest shipyard, agreed to a price between 145,000 ($1,330) and 150,000 yen a metric ton starting next month, according to a person involved in the…