... and up or the fix length according the customer. Forged BlocksSteel grade:Carbon steel:Chinese Standard:20#,25#,35#,45 ... 1.2714,H13,H11,P20,SKD61;Size:150mm x 150mm to 550mm x 550 mm;Length:3m and up or ... can be cut for customer;Diameter tolerance:-0/+10mm Delivery condition:Hot forged ... .1.B;Manufacturer:Jiangsu Zhuhong Forging Co.,Ltd Forged Blocks 16MnCr5/S355J2G3/AISI4140