... . Carbon steel and alloy steel Rounds and Squares and Flats. Good price and high quality Hot Forged steel round barSteel grade:Carbon steel ... ;Europe Standard:CK15,C.22,C45,CK45,C60,CK60;C45E;Alloy Steel:Chinese Standad:16Mn,20Mn,30Mn2,30Mn5,40Cr,Q345D,Q345E ... /C dateManufacturer:Jiangsu Zhuhong Forging Co.,Ltd Forged bars of carbon steel and alloy steel