Features: 1) Materials: 20CrMn5, 100Cr6, F53, C50 2) HRc: 58-62 3) we have a professional manufacture of roller shell has been exported Germany, Itlay, Spain, Ireland, Netherland, Canada, USA , Colombia etc., the main customer has GRAF, La Meccanica, Mabrik, Optima, Andritz ..., we can do special shell accordance with the blueprint and technical request. Otherwise, we still can supply you with various kinds of DIE for you. like CMP series product and other type DIE. Its material is X46Cr13 DIN standard.