... to 800mm,Rough turned,Normalized,Annealed, Quenched and Tempered Forged steel round barSteel grade:Carbon steel:Chinese Standard:20#,25#,35#,45#,50#,60 ... Europe Standard:CK15,C.22,C45,CK45,C60,CK60;C45E; Alloy Steel:Chinese Standad:16Mn,20Mn,30Mn2,30Mn5,40Cr,Q345D,Q345E,Q390 ... ;Grain Size:Better than 6;Purity, non-metallic inclusions, mechanical properties, hardness According China or EUStandard;