name: round steel bar size: 5.5mm -250mm Commodity : round steel barMaterial : 10#,20#,35#,45#,Q215235,20Cr,40Cr,20CrMo, 35CrMo,42CrMo,40CrNiMo, GCr15,65Mn,50Mn ... , 50Cr,3Cr2W8V,20CrMnTi,5CrMnMo 42CrMoS4 and so on.Size : 5.5mm-250mmWe can supply you the best quality Steel ROUND ...