DEFSTAN 03-20/2(1994) : 1994 AMD 1 1996
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ELECTRO-DEPOSITION OF ZINC
02-04-2005
01-12-2013
Preface
Section One - General
1 Scope
2 WARNING
3 Related Documents
4 Definitions
5 Information to be Supplied to the Processor
6 Process Control
Section Two - Process Requirements
7 General
8 Heat Treatment
9 Surface Preparation
10 Zinc Plating
11 Washing
12 Passivation
13 Heat Treatment Relief of Hydrogen Embrittlement
Section Three - Inspection and Test
14 Inspection
15 Selection of Test Samples
16 Visual Inspection
17 Adhesion
18 Thickness of Coating
19 Freedom from Mercury
20 Retreatment of Items Rejected on Inspection
Annex A - Method for the Determination of Mercury
Annex B - Adhesion Tests
Annex C - Method for the Determination of Average Thickness
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