Cemented carbide is a kind of alloy made by powder metallurgical process with the refractory carbides (such as tungsten carbide, titanium carbide, tantalum carbide, niobium carbide, vanadium carbide and chromium carbide) as the hard phase and cobalt or nickel as the binder. It is divided into cutting inserts, wear parts, mining tools, profiles and hard-facing material in terms of the basically applications.