SAE8620 forged round bar Size:90-800mm High quality steel forgings Hot forged steel round bar.Steel grade:Carbon steel:Chinese Standard:20#,25 ... CK15,C.22,C45,CK45,C60,CK60;C45E;Alloy Steel:Chinese Standad:16Mn,20Mn,30Mn2,30Mn5,40Cr,Q345D, ... B7,B16,F11,F12,F22,F5,F9,51Cr4.Tool Steel:1.2714,H13,H11,P20,SKD61;Size:90mm to ... .Mill:Jiangsu Zhuhong Forging Co.,Ltd forgings steel bar SAE8620/21CrNiMo2/42CrMo