... aluminum, carbon steel, alloy steel etc.Surface TreatmentZn-plating, Ni-plating, Cr-plating, Tin-plating, copper-plating, the wreath oxygen resin spraying, the heat disposing, ... black zinc-plated, rust preventive oil, titanium alloy galvanized, silver plating, plastic, electroplating, anodizing etc.ApplicationsAutomotive, instrument, electrical equipment, ... en.alibaba.com axle and shaft 1.5*36.8