Material is Cr12Mov ,9SiCr ,H13K, 6CrW2Si. Hardness 52-62HRC High precision surface swing shear blade ISO9001:2008 1,Name of commodity:swing shear blade2,Our factory specialize on manufacturing shear blades and press brake tooling3,We are in this line for several years and have lot of experience.4,OEM &ODM service available5,Producing according to customers' drawings. precision swing shear blade