Bainite Centrifugal Ductile Iron Rolls Applications: For the section, bars, narrow strip of rolling mills, also the pre-finishing rolling of high speed rods etc. Mechanical Property: Hardness of Body HSD55-80 Tensile Srength of Core >420MPa Chemical Analysis: Grade Hardness (HSD) C Si Mn Ni Cr Mo Mg SGAI 55-70 30-3.5 1.4-2.4 0.2-0.8 2.5-3.5 0.5 0.4-1.0 >0.05 SGAII 62-80 3.0-3.5 1.2-2.0 0.2-0.8 3.5-4.5 0.2-1.0 0.4-1.0 >0.05
