COLD ROLLING MIALL INTERMEDIATE ROLL applies to high precision 6--Hi (as well as a few 8-Hi) mill, named from working location between work roll and back-up roll, mainly used to control the shape of strip. Material specification of 2%Cr, 3%Cr, 5%Cr, Semi-High Speed Steel are available . NameType of materialHardnessDepth of hardnessHardness deviationIntermediate roll2%Cr, 3%Cr, 5%Cr SHSS70-85 HSD8 50mmwithin 2HSD