WEST CHESTER, Ohio, Aug. 1, 2011 /PRNewswire/ -- AK Steel (NYSE: AKS) has advised its customers that a $460 per ton surcharge will be added to invoices for electrical steel products shipped in September 2011.  September 2011 surcharges for the broad range of stainless steel products that AK Steel produces can be found on the company's web site at www.aksteel.com.

AK Steel's surcharges are based on reported prices for raw materials and energy used to manufacture the products, with the July 2011 purchase cost used to determine the September 2011 surcharges.

AK Steel previously informed its stainless steel customers that it will change the timing and method of calculation for its stainless steel surcharges, effective with shipments on October 2, 2011.  Details about the changes are available on the company's website.

About AK Steel

AK Steel produces flat-rolled carbon, stainless and electrical steels, primarily for automotive, appliance, construction and electrical power generation and distribution markets.  The company employs about 6,200 men and women in Middletown, Mansfield, Coshocton and Zanesville, Ohio; Butler, Pennsylvania; Ashland, Kentucky; Rockport, Indiana; and its corporate headquarters in West Chester, Ohio.  Additional information about AK Steel is available on the company's web site at www.aksteel.com.

AK Tube LLC, a wholly owned subsidiary of AK Steel, employs about 300 men and women in plants in Walbridge, Ohio and Columbus, Indiana.  AK Tube produces carbon and stainless electric resistance welded (ERW) tubular steel products for truck, automotive and other markets.  Additional information about AK Tube LLC is available on its web site at www.aktube.com.

SOURCE AK Steel