... +Rough turned+Q Forged steel round barSpecifications:C45, S20C, S26C, S55C, S60C, S355J2G3, ST52-3, 16MnCr5, 20MnCr5, A350 LF2 ... diameter tolerance: -0/+8mm; RT diameter tolerance:-0/+3 mmGrain size: as per ASTM E112-96 Grade ... double per sizeMill certificate as per EN 10204/3.1.BPayment:L/C at sight.Delivery time: ... :Jiangsu Zhuhong Forging Co.,Ltd. Steel round forgings bar ST52-3/ A350 LF2/ A105