Quote Originally Posted by njhussey View Post
what do people use for media for steel?
According to the link above:

For polishing steel, stainless, aluminum and plastic parts, porcelain media is the most common media used. If you are doing stainless or other steels any shape of porcelain can be used. One of the most common polish medias used is a 3/16-3/8 angle cut cylinder. The theory is that a cylinder has more surface contact with the part than other shapes.