Electroplating And Metal Finishing Services For Automotive & General Industry

HIGH QUALITY ZINC NICKEL PLATING SERVICES SPECIFICATION – Ford – WSS-M21P51

Specifications

Ford – WSS-M21P51

Fastener Finish, Electroplated Zinc-Nickel, Trivalent Chromium Passivate

The materials defined by these specifications are corrosion protective coatings over steel and iron substrates. All consist of an alkaline zinc nickel alloy and trivalent chromium passivate. A2, A3, A4, A5 and A6 are also coated with a clear sealer to increase corrosion resistance and/or to provide consistent torque-tension control.