... 5.Cryogenic/High temperature treat SpecificationsName: Slittering Circular knife Material: Cr12MoV, 9CrSi, W6Mo5Cr4V2, W18Cr4VAdvantages:High ... circular knives, such as top& bottom slitter knife,dish slitter, flat slitter knife, drilling knife, rubber cutting knife and knife ... ring, etc.Our blades are mainly used for printing,paper processing ...