12L14 is a Rephosphorized and Resulfurized Steel Bar, with a chemical composition of Carbon (.15 max), Maganese (.85/1.15). Phosphorus (.04/.09), and Sulfur (.26/.35) . 12L14 bar is a carbon grade steel that has lower strength but it does have very favorable machinability. Due to the enchanced machinability of this steel, it is well suited for use in many applications. We have 12L14 cold drawn steel bar on hand, view our inventory here.