WEST CHESTER — AK Steel said Monday its manufacturing plants in Coshocton and Zanesville have been recognized for outstanding safety performance by the Ohio Bureau of Workers’ Compensation’s division of safety and hygiene.

The company’s Coshocton facility received the Group Award for Safety for having the lowest incident rate in its industrial group for 2010, AK Steel officials said.

Additionally, the plant also received the 100 percent Award for Safety for operating all of last year without any lost-time injuries or illnesses and the Special Award for Safety for working more than 2.4 million hours without a lost-time injury between Feb. 20, 2008, and Dec. 31, 2010.

In addition, AK Steel’s Zanesville Works received the 100 percent Award for Safety for operating last year without any lost-time injuries or illnesses. It also received a special award for safety for working 3.5 million hours without a lost-time injury between April 21, 2003 and Dec. 31, 2010.

James L. Wainscott, chairman, president and chief executive of AK Steel, said the company was honored by the recognition, which reflect the company’s “culture of safety.”