... rollers: material: Cr12, GCr15, 9Cr2Mo, Cr12MoV, 42CrMoV, 150CrNiMo,60CrMoV, 55 steel, and other dimension: from 100mm dia to 1200mm dia weight ... rolls high-Chrom centrifugal cast iron compound rolls and rings Semi-steel centrifugal cast compound rolls and rings Chilled centrifugal cast iron ...