ISO 4527 "Autocatalytic (chemical) nickel-phosphorus alloy coatings" is the international standard for electroless nickel plating coatings. The norm defines a standardized designation of the treatment. It defines the specifications and main characteristics of the treatment to be applied on the parts.The use of this standard allows the designer and the customer to uniquely specify the characteristics of the treatment. This makes it possible to minimize misunderstandings and errors that may occur in the case of unclear treatment specifications.However, the designation defined by ISO 4527 is not complete [...]