Product Name: KH51 - "YXMI" high-speed steel-SKH51, it 
 The chemical composition of C carbon Si Si Mn Cr W tungsten, chromium Mo V P P S sulfur 0.850.450.454.005.804.801.800.030.01 factory state pre ℃ above features the application of hard HRC63 tungsten steel high-speed steel, it is appropriate to manufacture strong cutting wear resistant stamping a variety of tools, dies, screw mold than the required toughness and the shape of complex tools, milling cutters, drills.