BS EN 2133:2020 pdf free.Aerospace series一 Cadmium plating of steels with specified tensile strength≤1 450 MPa,copper, copper alloys and nickel alloys. BS EN 2133 Surface preparation means any method able to completely eliminate all surface contaminations.Methods which may result in hydrogen loading of the material shall be avoided. If necessary, nickel strike should be carried out on steels, copper and...