... ,higher modulus of elasti 1.Usage: bearing balls for canner pump, magnetic drive pump. Vacuum pump, fixed anode X-ray tube shaft; bushing bearing for ... , strong alkali, salt, measure pumps, flow meter and deep well pump; bushing bearings for nonmagnetic to hydrofluoric acid.2.Characteristic: resistance ... , high hardness, resistance to wear pressureless sintered SIC shaft for pump