... 160x160 to 500x500, the grade SCM415,SCM435 Hot forged steel square barSteel Grade:SCM415,SCM435,C45,42CrMo4,S355J2G3,16MnCr5,C55E,Size ... Max.Deviation : Max.2% Corner " R" : 3-5mm, Max ( Aiming : Shape Corner )Cutting : End Bar must be Saw CuttingDelivery time:within ... 60 days.Manufacturer:Zhuhong Forging Co.,Ltd. Hot forged square bar SCM415/SCM435