Forged blocks Size:150mmx150mm to 550mmx550mm Length:3m and up or the ... ,B7,B16,F11,F12,F22,F5,F9,51Cr4.Tool Steel:1.2714,H13,H11,P20,SKD61;Size:150mm x 150mm to ... D/d,Mill certificate as per EN 10204/3.1.B;Manufacturer:Jiangsu Zhuhong Forging Co.,Ltd Forged Blocks 16MnCr5/S355J2G3/AISI4140