Raw steel production in the country's Great Lakes region was about 684,000 tons in the week ending July 27, according to an American Iron and Steel Institute estimate.
Production fell by 7,000 tons from the week prior, an decrease of about 1 percent. Most of the raw steel production in the Great Lakes region takes place in Indiana and the Chicago area.
Production in the Southern District was estimated at 669,000 tons last week, down from 688,000 tons a week earlier.
Total domestic raw steel production last week was 1.87 million tons, down from 1.9 million tons the week prior.
U.S. steel mills had a capacity utilization rate of 78.1 percent last week, which is down from 79.5 percent a week earlier. The capacity utilization rate had been 73.3 percent at the same time last year.
So far this year, domestic steel producers have had a capacity utilization rate of 77 percent, which is down 1 percentage point from the same period in 2012.
Domestic mills have produced an estimated 55.3 million tons of steel this year, down 4.9 percent from the same period last year. The mills had made about 58.1 million tons of steel by July 27 in 2012.
Steel imports decreased 14 percent in June over May. Year-to-date steel imports have declined 11 percent to 15.7 million net tons, as compared to the same period in 2012.
Imports have accounted 23 percent of the finished steel market market share, both in June and so far this year.