Originally Posted by RubeRad

Is it not possible to make elegant, slender steel cranks with a square taper/crank bolt interface to get the best of both worlds?

Originally Posted by Motopecane

I have a set of square taper cranks that are solid steel but they are nothing ornamental. They just came off a lower end bike. So yes it would be possible but I don't think companies are in the market to manufacture steel square taper cranks that weight significantly more than alloy ones.