U.S. Steel Capacity Utilization: The total tonnage for the week ending September 26th was 1,480 million net tons, at a capacity utilization rate of 66.1%. The year to date tonnage output is 58,477 million net tons, at an average capacity utilization rate of 65.8%. In 2019, the same output total was 76,574 million net tons, at an average capacity utilization of 80.9%.