Nippon Steel, the parent company of U.S. Steel, is moving forward with its plans to renovate a giant coal-fueled furnace in Gary, Indiana.
The Japan-based steel manufacturer, which acquired U.S. Steel in June, will begin “relining” its largest blast furnace at the Gary Works steel mill in 2026, U.S. Steel CEO David Burritt said this week at an industry conference in Atlanta, details first reported by the Japanese newspaper Nikkei.
Such an investment can extend a furnace’s operating life by up to 20 years — prolonging the company’s reliance on coal-based steelmaking, and potentially delaying America’s broader transition to low-carbon manufacturing methods.
Nippon Steel has committed to spending around $300 million to revamp Blast Furnace No. 14, the largest of four…
