DEFSTAN 03-19/3(2005) : 2005

Foreword
Introduction
1 Scope
2 Warning
3 Normative References
4 Definitions
   4.2 Process Control Schedule
   4.3 Significant Surface
   4.4 Tensile Strength of Steels
        4.4.1 Tensile Strength
        4.4.2 Tensile Strength/Hardness Relationship
5 Information to be Supplied to the Processor
6 Process Control
7 Pre-treatment and Preparation
8 Heat Treatment
9 Surface Preparation
10 Cadmium Plating
   10.1 Electrolyte
   10.2 Anodes
   10.3 Material other than steel
   10.4 Locally chromium plated items
   10.5 Thickness requirements
11 Washing
12 Passivation
13 Heat Treatment Relief of Hydrogen Embrittlement
14 Inspection
15 Selection of Test Samples
16 Visual Inspection
17 Adhesion
18 Thickness of Coating
   18.1 General
   18.2 Local Thickness
   18.3 Average Thickness
19 Freedom from mercury
20 Re-treatment of items rejected on inspection
Annex A - Composition and Preparation of Suitable
          Electrolytes
   A.1 Composition
        A.1.1 For vats
        A.1.2 For barrels
        A.1.3 For vats and barrels ("High Speed" bright
              plating electrolyte)
   A.2 Preparation
        A.2.1 For A.1.1 (vats)
        A.2.2 For A.1.2 (barrels)
        A.2.3 For A.1.3 (vats and barrels, "High Speed"
              electrolyte)
Annex B - Method for the Detection of Mercury
   B.1 Mercury in salts
   B.2 Mercury in electrolyte
   B.3 Mercury in anodes
   B.4 Mercury in coating
Annex C - Adhesion Tests
   C.1 Burnishing test
   C.2 Bend test
Annex D - Methods for the Determination of Average Thickness
   D.1 Determination of Average Thickness of Cadmium Coating
   D.2 Determination of Average Thickness of Nickel Undercoat
        on Copper Based Materials

Specifies the requirements for the electro-deposition of cadmium on non-corrosion resisting steel items for protection against corrosion, and on copper based alloy items and corrosion resisting steel items for the reduction of contact corrosion of less noble metallic materials.