Special carbon steel forged round bars. Grade:C45/CK45/S45C Size: ... ,41CrAlNi7,34CrAlNi7,B7,B16,F11,F12,F22,F5,F9,51Cr4.Tool Steel:1.2714,H13,H11,P20,SKD61;Delivery condtion:Hot ... days after L/C dateManufacturer:Jiangsu Zhuhong Forging Co.,Ltd Special carbon steel forged round bar C45/S45C/CK45