... acid, strong alkali,salt and gas of deleterious,long life 2.resistance to wear,higher modulus of elasti 1.Usage: bearing balls for ... pump, fixed anode X-ray tube shaft; bushing bearing for strong acid, strong alkali, salt, measure pumps, flow meter and ... deep well pump; bushing bearings for nonmagnetic to hydrofluoric acid.2.Characteristic: resistance to strong acid, strong alkali, salt and gas of ...