... rolls, 2,HiNiCr iron work roll, 3,Cast iron edger rolls 4,Medium & Heavy plate mill work roll. Classification of productsHardness (HS)Strength ... and roughing rolls for large section millDuplex HiCr centrifugal cast iron roll60-70≥350Used in the roughing stands of ... steel roll.Mainly used in: steel finishing mill, rough rolling, hot&cold rolling mill work rolls, back-up roll, stand roll,and roll table, ...