Raw steel production in the country's Great Lakes region rose to 673,000 tons in the week that ended Saturday, according to an American Iron and Steel Institute estimate.
Production increased by about 26,000 tons, or about 4 percent, from the week prior. 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 615,000 tons, down from 643,000 tons a week earlier.
Total domestic raw steel production last week was about 1.82 million tons, which was slightly down from the prior week.
U.S. steel mills had a capacity utilization rate of 76.3 percent last week, up from 76.5 percent a week earlier. The capacity utilization rate had been 70.1 percent at the same time last year.
So far this year, domestic steel producers have had a capacity utilization rate of 77.1 percent, which is up from 75.5 percent during the same period in 2012.
Domestic mills have produced an estimated 83.1 million tons of steel this year, down 2 percent from the same period last year. The mills had made about 84.9 million tons of steel by Nov. 9, 2012.
Steel imports declined by 4.1 percent in September, as compared to August, according to the American Institute for International Steel. Imports were down by 7 percent during the first nine months of 2013, as compared to the same period last year.
Overall, manufacturing is on the upswing. The latest U.S. jobs report showed the sector as a whole gained 19,000 jobs in October.