... 90mm-800mm Good quality,good price. Forged steel round barSteel grade:Carbon steel:Chinese Standard:20#,25#,35#,45#,50 ... CK15,C.22,C45,CK45,C60,CK60;C45E;Alloy Steel:Chinese Standad:16Mn,20Mn,30Mn2,30Mn5,40Cr,Q345D,Q345E ... B7,B16,F11,F12,F22,F5,F9,51Cr4.Tool Steel:1.2714,H13,H11,P20,SKD61;Delivery condition: ... Tons;Manufacturer:Jiangsu Zhuhong Forging Co.,Ltd. Steel Round Forgings C45/SAE8620/16MnCr5