These are cast iron based rolls alloyed with Nickel, Chromium and Molybdenum having a matrix of pearlite and carbide with flake graphite. These rolls are used primarily for Section Rolling. The material has very good thermal properties coupled with property of imparting good surface finish to the product.

These rolls are also available in higher hardness range where the matrix is Bainitic instead of Pearlitic are used in finishing stands of rod mill.