• 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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    ELECTRO-DEPOSITION OF ZINC

    Available format(s): 

    Superseded date:  04-02-2005

    Language(s): 

    Published date:  12-01-2013

    Publisher:  UK Ministry of Defence Standards

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Development Note Supersedes DEFSTAN 03-20/1(1980) & DTD 903D (07/2003)
    Document Type Standard
    Publisher UK Ministry of Defence Standards
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    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

    Standards Referencing This Book - (Show below) - (Hide below)

    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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