P50 Chemical Composition: WC: 68 TaC + TiC: 15 Co: 17 physical and mechanical properties: Density: 12.5 Vickers hardness: 1300 Bending strength: 2200 often processed material is steel, low tensile strength steel (with sand inclusions and porosity), processing conditions suitable for low cutting speed, large chip cross-section, and unfavorable working conditions, good toughness, can be used in a large cutting angle automatic lathe processing and use.