Thrust Disc/washer usually used for Electric Submersible Pump(ESP), used in high-wear applications such as axle assemblies, motors, transmissions, pumps, power take-offs, and winches. Just about any application that needs a wear surface.
Thrust washer material is determined by the application. The main materials include:
Silicon carbide (SSIC &RBSIC),
Carbon Graphite (Resin-impregnated & Metal-impregnated),
Tungsten Carbide (6% Nickel TC & 6% Cobalt TC).