... ,20MnCr5,16MnCrS5,20MnCrS5,21CrMoV511,56NiCrMoV7,18NiCrMo5,30CrNiMo8,34NiCrMo16,41CrAlNi7,34CrAlNi7,B7,B16,F11,F12,F22,F5,F9,51Cr4.Tool Steel:1 ... /d,E/e;As forged condition straightness: ≤4mm/m, RT bar straightness: ≤2mm/mAs forged diameter tolerance: -0/+8mm; RT diameter ... :Jiangsu Zhuhong Forging Co.,Ltd Special carbon steel forged round bar C45/S45C/CK45