What’s tungsten steel and tungsten carbide?

Tungsten steel, also known as tungsten carbide, is a sintered composite metal containing some metal carbide, mainly including tungsten carbide, cobalt carbide, niobium carbide, titanium carbide, tantalum carbide. The tungsten steel matrix is composed of the hardening phase and the bonding metal. The grains of the carbide phase usually 0.2-10 microns, are bound together by…