Raw steel production in the country's Great Lakes region was 667,000 tons in the week ending May 18, according to estimates from the American Iron and Steel Institute.
Production was down 19,000 tons from the week prior. The majority of raw steel production in the Great Lakes region occurs in Indiana and the Chicago area.
Production in the Southern District was estimated at 689,000 tons last week, up from 642,000 tons a week earlier.
Total domestic raw steel production last week was 1.9 million tons
U.S. steel mills had a capacity utilization rate of 79.5 percent last week, which is up from a 78.5 percent production rate a week earlier. The capacity utilization rate at this time last year was 79.2 percent.
Domestic mills have produced about 36.7 million tons of steel this year, down 7.1 percent from the same period in 2012. Last year at this time, domestic mills produced about 39.5 million tons of steel.
The American Iron and Steel Institute reported that for March 2013, U.S. steel mills shipped 7.9 million net tons. This was a 6.5 percent increase from the 7.4 million net tons shipped in February, and a 6.9 percent decrease from the 8.5 million net tons shipped in March 2012.
Shipments year-to-date in 2013 are 23.6 million net tons, a 7.3 percent decrease compared to 2012 shipments of 25.4 million net tons for the first three months of that year.