Services for Nancy K. Koehler, vice president and treasurer of American Drawn Steel Corp., will be at 11 a.m. today in Fox Chapel Presbyterian church, 384 Fox Chapel Road.

Mrs. Koehler, of O'Hara, died Tuesday in Montefiore University Hospital after suffering a stroke. She was 50.

She and her husband, Charles F. Koehler III, the company president, founded American Drawn Steel 17 years ago. The firm, with offices in Hampton and a plant in New Kensington, makes specialty-steel products and exports them worldwide.

A graduate of the St. Francis School of Nursing, Mrs. Koehler had taught nursing at Allegheny General Hospital before the founding of American Drawn Steel.

She was a former president of the Parents Association and a member of the board of trustees at Winchester Thurston School in Shadyside. Mrs. Koehler was active in the Pittsburgh Field Club's Junior Golf Program and was a member of Fox Chapel Presbyterian Church.

Besides her husband, survivors include three children, Julie C., Deborah L. and Charles F. IV.

Arrangements are by the Bock Funeral Home Ltd., 1500 Mount Royal Blvd., Shaler.