• DEFSTAN 03-24/3(1997) : 1997 AMD 1 1999

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    CHROMIC ACID ANODIZING OF ALUMINIUM AND ALUMINIUM ALLOYS

    Available format(s): 

    Superseded date:  01-06-2003

    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 - Applications and Limitations
    7 Applications
    8 Compatibility with Explosives, Propellants or
       Pyrotechnics
    9 Limitations
    Section Three - Process Requirements
    10 Surface Preparation
    11 Anodizing
    12 Washing
    13 Sealing
    14 Drying
    15 Re-anodizing
    Section Four - Inspection and Test
    16 Processing
    17 Frequency of Testing
    18 Appearance
    19 Test for Electrical Insulation (Sealed Coatings Only)
    20 Corrosion Test
    21 Sealing Quality
    Annex A - Chromic Acid Anodizing Process for Aluminium and
              Aluminium Alloys
    Annex B - Analysis of Chromic Acid Electrolyte
    Annex C - Stripping Solutions for the Removal of Anodic
              Coatings
    Annex D - Chromic Acid Anodizing for the Detection of Defects
              in Aluminium Alloy Bars, Extrusions, Sheet, Rolled
              Plate, Forgings and Machined Items
    Annex E - Procedure for Anodizing Hollow Items such as Tanks,
              Long Tubes and Extrusions
    Annex F - Approximate Conversion of Metric Units to Imperial
              Equivalents (Non-US)

    Abstract - (Show below) - (Hide below)

    Specifies the requirements for chromic acid anodizing of aluminium and aluminium alloys.

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

    Development Note Supersedes DEFSTAN 03-24/2(1988), DEFSTAN 03-24/1(1984) & DEF 151 (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    Status Superseded
    Superseded By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 61-14(PT7)/1(1990) : 1990 PRECISION INSTRUMENT, ROTATING, SERVOCOMPONENTS - PART 7: INSTALLATION CONVENTIONS
    DEFSTAN 22-65/2(2001) : INTERIM SPECIFICATION FOR GAUGES, SUBMARINE DEPTH, DIAL INDICATING
    DEFSTAN 03-28(PT1)/3(2003) : 2003 PHYSICAL VAPOUR DEPOSITION OF METALS - PART 1: PHYSICAL VAPOUR DEPOSITION OF ALUMINIUM FOR PROTECTION AGAINST CORROSION
    DEFSTAN 03-25/3(1997) : 1997 SULPHURIC ACID ANODIZING OF ALUMINIUM AND ALUMINIUM ALLOYS
    DEFSTAN 61-14(PT5)/1(1985) : 1985 PRECISION INSTRUMENT, ROTATING, SERVO-COMPONENTS - PART 5: MOTORS, STEPPING, D.C.
    DEFSTAN 61-14(PT2)/2(1990) : 1990 PRECISION INSTRUMENT, ROTATING, SERVOCOMPONENTS - PART 2: MOTORS, CONTROL AC (SERVOMOTORS, TWO-PHASE INDUCTION)
    DEFSTAN 03-32(PT5)/3(2002) : 2002 PRE-TREATMENT AND PAINTING OF VEHICLES, ENGINEER EQUIPMENT AND COMPONENTS - PART 5: SYSTEMS FOR NON-FERROUS METALS EXCLUDING ALUMINIUM ALLOY FOR ARMOUR AND STRUCTURAL APPLICATIONS
    DEFSTAN 61-14(PT1)/2(1990) : 1990 PRECISION INSTRUMENT, ROTATING, SERVOCOMPONENTS - PART 1: GENERAL REQUIREMENTS AND COMMON TESTS FOR SERVOCOMPONENTS
    DEFSTAN 03-28(PT1)/2(1995) : 1995 PHYSICAL VAPOUR DEPOSITION OF METALS - PART 1: PHYSICAL VAPOUR DEPOSITION OF ALUMINIUM FOR PROTECTION AGAINST CORROSION
    DEFSTAN 03-2/3(1995) : 1995 CLEANING AND PREPARATION OF METAL SURFACES
    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 61-14(PT9)/1(1988) : 1988 PRECISION INSTRUMENT, ROTATING, SERVOCOMPONENTS - PART 9: MOTORS, TORQUE, D.C.
    DEFSTAN 61-14(PT10)/1(1989) : 1989 PRECISION INSTRUMENT, ROTATING, SERVO-COMPONENTS - PART 10: GEARHEADS
    DEFSTAN 66-2/4(2003) : 2003 GAUGES, PRESSURE, DIAL INDICATING (BOURDON TUBE TYPE)
    BS 4A 100:2003 Specification for general requirements for bolts and free running nuts of tensile strength not exceeding 1249 MPa
    DEFSTAN 03-14/2(1995) : 1995 ELECTRO-DEPOSITION OF CHROMIUM FOR ENGINEERING PURPOSES

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

    BS 7479:1991 Method for salt spray corrosion tests in artificial atmospheres
    BS 6161-3:1984 Methods of test for anodic oxidation coatings on aluminium and its alloys Assessment of sealing quality by measurement of the loss of mass after immersion in phosphoric-chromic acid solution
    DEFSTAN 03-25/3(1997) : 1997 SULPHURIC ACID ANODIZING OF ALUMINIUM AND ALUMINIUM ALLOYS
    DEFSTAN 03-2/3(1995) : 1995 CLEANING AND PREPARATION OF METAL SURFACES
    BS 6161-15:1987 Methods of test for anodic oxidation coatings on aluminium and its alloys Determination of electrical breakdown potential
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