It may depend upon the criteria you selected, like a slow or even moderate tempo, but yes, there are a few steel shafts that can be used because they run on the stiff side. Many years ago I made up a set of irons with TT Lite L-flex at men’s length and put S-flex labels on them. I was playing with a good, strong golfer in my area. He asked to use one of my new sticks because he knew who I worked for and told him about the new heads we had just came out with. After he pulled out a extra ball on the last several holes as well as the iron needed from my bag, he came to the conclusion that these were the best performing S-flex irons he has ever hit – even better than the name brand clubs he just bought. I never had the heart to tell him they were L-flex shafts…