Tungsten steel round blades, also called carbide round blades, broadly refer to the collective name for all round slitting blades made of carbide, which are made of refractory metal hard compounds and bonded phase metals through powder metallurgy processes A composite material made of. Carbide round inserts have excellent properties such as high hardness, high strength, wear resistance, corrosion resistance, and high temperature resistance, and play an indispensable position in tool materials. China tungsten Online provides high-quality carbide products.