AS 1406-1982

1 - AS 1406-1982 ELECTROPLATED COATINGS - NICKEL AND CHROMIUM ON PLASTICS FOR DECORATIVE APPLICATIONS
4 - PREFACE
4 - CONTENTS
5 - SECTION 1. SCOPE AND GENERAL
5 - 1.1 SCOPE.
5 - 1.2 REFERENCED DOCUMENTS.
5 - 1.3 DEFINITIONS.
5 - 1.4 SERVICE CONDITION NUMBER.
5 - 1.5 CLASSIFICATION OF COATINGS.
7 - SECTION 2. COATING REQUIREMENTS FOR NICKEL PLUS CHROMIUM
7 - 2.1 GENERAL.
7 - 2.2 FINISH.
7 - 2.3 SIGNIFICANT SURFACE.
7 - 2.4 CONTACT POINTS.
7 - 2.5 THERMAL CYCLING.
7 - 2.6 COATING THICKNESS REQUIREMENTS.
7 - 2.6.1 General.
7 - 2.6.2 Double-layer or Triple-layer Nickel (d).
7 - 2.6.3 Chromium.
7 - 2.6.4 Corrosion Resistance.
8 - SECTION 3. NICKEL ALONE OR WITH TOPCOATS OTHER THAN CHROMIUM
8 - 3.1 GENERAL.
8 - 3.2 COATINGS APPROPRIATE TO APPLICATION GRADES.
9 - APPENDIX A - INFORMATION TO BE SUPPLIED WITH THE ENQUIRY OR ORDER
9 - A1 GENERAL.
9 - A2 CONDITION OF ITEMS BEFORE COATING.
9 - A3 DESIGN OF ITEMS FOR METAL FINISHING.
9 - A4 SERVICE CONDITION NUMBER.
9 - A5 SAMPLING AND INSPECTION.

Deals specifically with nickel and chromium coatings but does not preclude use of gold, copper, brass or other metals plated over nickel. It provides for, in the case of nickel plus chromium coatings, the coating to be specified by a service condition number incorporating an indication of the thermal cycling test temperature, and a coating classification system (optional); and, for nickel alone or with top coats other than chromium, by an 'application grade'. A foreword makes reference to requirements of the plastics materials, including adhesion.

This standard specifies requirements for electroplated coatings of nickel and nickel plus chromium on plastics for decorative applications. It also deals with coatings of nickel-iron alloys containing a maximum iron content of 25 percent, and coatings incorporating a copper undercoat. It does not preclude the use of gold, copper, brass or other metals plated over nickel.NOTES:1. Plastics items to be coated should have low residual stress. To achieve this condition, plastics mouldings. extrusions etc should be stress-relieved or annealed prior to electroplating.2. Supplementary information to be supplied with the enquiry or order is given in Appendix A.

Reconfirmed 1993