K90 Alloy Chemical Composition: wc: 75%, co: 25% Density: 14.5 Hardness: 86HRA bending strength: (σbb / MPa): 2600 Toughness: σK / (J/cm2): 5.5 K90 Alloy Application: steel sheet, cold-rolled plate, suitable for the production of drawn mold, wear-resistant parts and stamping parts and carbide automatic presses punch and so on. Use strength and impact toughness, wear resistance than the alloy is low. Top load large forging dies, such as for screws. Rivet upsetting die. Also used for stamping die. Extrusion die. Die and so on. For volume production, with excellent strength and toughness, suitable for the production of drawn mold, wear-resistant parts and stamping parts and carbide automatic presses punch.