round carbon steel bar 1.forged, custom made available 2.dia ... we can supply you high quality products such as steel bar, shafts, flange, ring, spindle, valve body and other ... For your reference, please check the data of the steel bar: 1. Materials: carbon steel 20#-60#, alloy steel: ... RMB 300 million 9. manufacture equipments: 5000ton closed die forging press machine, CNC ring roll D534-6300,50T foring ...