1215 1214 12L14 11SMnPb30 Steel Hex Bar 1215 1214 12L14 11SMnPb30 steel is one kind of free cutting steel, sometimes with higher Sulphur content as 1215S material which offers cleaner finishes and higher tolerances. It is often takes as a higher quality alternative steel grade than 1018 steel with better machining and cutting properties. 1215 material can minimize tooling maintenance and improve the cutting ability and machine life of equipment. The most popular 1215 steel bar includes: steel round bar, bright steel bar, hexagon steel bar and cold drawn steel bar and cold drawn square bar. The detailed specification of 1215 hexagon bar: Sizes Wide range from 6mm to 75mm Tolerances Precision to h9, h10, h11 or Roundness 75% of diameter tolerance Straightness…