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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
ELECTRO-DEPOSITION OF ZINC
04-02-2005
12-01-2013
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
Describes the requirements for the electro-deposition of zinc on non-corrosion resisting steel items and on copper-based alloy items and corrosion resisting steel items.
| DevelopmentNote |
Supersedes DEFSTAN 03-20/1(1980) & DTD 903D (07/2003)
|
| DocumentType |
Standard
|
| PublisherName |
UK Ministry of Defence Standards
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| DEFSTAN 03-29/3(2002) : 2002 | PROTECTION OF METALLIC SPRINGS AGAINST CORROSION |
| DEFSTAN 03-29/2(1997) : 1997 | PROTECTION OF METALLIC SPRINGS AGAINST CORROSION |
| DEFSTAN 03-4/4(1998) : 1998 | THE PRE-TREATMENT AND PROTECTION OF STEEL ITEMS OF SPECIFIED MAXIMUM TENSILE STRENGTH EXCEEDING 1450 MPA |
| DEFSTAN 03-32(PT6)/3(2002) : 2002 | PRE-TREATMENT AND PAINTING OF VEHICLES, ENGINEER EQUIPMENT AND COMPONENTS - PART 6: SYSTEMS FOR SPECIALISED VEHICLES, COMPONENTS AND SUBSTRATES INCLUDING DISTINCTIVE COLOURS |
| DEFSTAN 21-5/2(2004) : 2004 | CODE OF PRACTICE FOR PROTECTIVE FINISHES |
| DEFSTAN 03-32(PT4)/3(2002) : 2002 | PRE-TREATMENT AND PAINTING OF VEHICLES, ENGINEER EQUIPMENT AND COMPONENTS - PART 4: SYSTEMS FOR FERROUS METAL, EXCLUDING ARMOUR |
| DEFSTAN 03-29/1(1988) : 1988 | PROTECTION OF METALLIC SPRINGS AGAINST CORROSION |
| BS 2656:1972 | Specification for zinc anodes, zinc oxide and zinc salts for electroplating |
| DEFSTAN 03-4/4(1998) : 1998 | THE PRE-TREATMENT AND PROTECTION OF STEEL ITEMS OF SPECIFIED MAXIMUM TENSILE STRENGTH EXCEEDING 1450 MPA |
| DEFSTAN 03-21/3(2002) : 2002 | MECHANICAL METHODS FOR THE INDUCEMENT OF RESIDUAL SURFACE COMPRESSIVE STRESSES |
| DEFSTAN 03-14/2(1995) : 1995 | ELECTRO-DEPOSITION OF CHROMIUM FOR ENGINEERING PURPOSES |
| DEFSTAN 03-33/1(1993) : 1993 | CHROMATE PASSIVATION OF CADMIUM AND ZINC SURFACES |
| BS 427:1990 | Method for Vickers hardness test and for verification of Vickers hardness testing machines |
| DEFSTAN 03-2/3(1995) : 1995 | CLEANING AND PREPARATION OF METAL SURFACES |
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