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

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

Superseded

View Superseded by

CHROMIC ACID ANODIZING OF ALUMINIUM AND ALUMINIUM ALLOYS

Superseded date

01-06-2003

Published date

12-01-2013

Publisher

UK Ministry of Defence Standards

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)

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

DevelopmentNote	Supersedes DEFSTAN 03-24/2(1988), DEFSTAN 03-24/1(1984) & DEF 151 (07/2003)
DocumentType	Standard
PublisherName	UK Ministry of Defence Standards
Status	Superseded
SupersededBy	DEFSTAN 03-24/4(2003) : 2003
Supersedes	DEF 151 : 1965 DEFSTAN 03-24/2(1988) : 1988 DEFSTAN 03-24/1(1984) : 1984

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

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