... Forged steel round barSpecifications:C45, S20C, S26C, S55C, S60C, S355J2G3, ST52-3, 16MnCr5, 20MnCr5, A350 LF2,A105, Q390, SCM415, SCM435, SCM420 ... dateManufacturer:Jiangsu Zhuhong Forging Co.,Ltd. Steel round forgings bar ST52-3/ A350 LF2/ A105