Tungsten Ball: (also known as carbide ball, tungsten alloy ball), the main ingredient is a tungsten-cobalt alloy (WC-CO) high hardness, HRA90-92, good abrasion resistance, wear resistance is a ball of several times to a hundred times. YG6 carbide ball is widely used in a variety of hardware industry, valves, bearings, die casting, punching pieces, grinding, measuring.