HIGH QUALITY ZINC NICKEL PLATING SERVICES SPECIFICATION – TENNECO – PS-152.15 Home › ZINC NICKEL PLATING › TENNECO – PS-152.15 Specifications TENNECO – PS-152.15 Performance Specification for Zinc Nickel Platings This specification defines the performance criteria and test method for evaluating a zinc nickel (ZnNi) plating over ferrous substrates.