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DEFSTAN 03-25/4(2003) : 2003

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

SULFURIC ACID ANODISING OF ALUMINIUM AND ALUMINIUM ALLOYS
Available format(s)

Hardcopy , PDF

Superseded date

04-11-2008

Language(s)

English

Published date

01-01-2003

Content
Preface
Main Text
SECTION 1 GENERAL REQUIREMENTS
1 Scope
2 Warning
3 Related Documents
4 Definitions
5 Information to be Supplied to the Processor
6 Process Control
SECTION 2 APPLICATIONS AND LIMITATIONS
7 Applications
8 Compatibility with Explosives, Propellants or
   Pyrotechnics
9 Limitations
SECTION 3 PROCESS REQUIREMENTS
10 Surface Preparation
11 Anodising
12 Washing
13 Dyeing
14 Sealing
15 Drying
16 Re-anodising
SECTION 4 INSPECTION AND TEST
17 Processing
18 Frequency of Testing
19 Appearance
20 Thickness of Coating
21 Dyed Coatings
22 Sealing assessment
23 Electrical Insulation
24 Abrasion Resistance
25 Reflectivity
26 Corrosion Test
Annex A Sulfuric Acid Anodizing Process for Aluminium
        and Aluminium Alloys
Annex B Analysis of Sulfuric Acid Electrolyte
Annex C Stripping Solutions for the Removal of Anodic
        Coatings

Specifies the properties of sulfuric acid anodizing of aluminium and aluminium alloys.

DevelopmentNote
Supersedes DEFSTAN 03-25/3(1997). (04/2004)
DocumentType
Standard
Pages
22
PublisherName
UK Ministry of Defence Standards
Status
Superseded
SupersededBy
Supersedes

DEFSTAN 00-970(PT0)/6(2010) : 2010 DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 03-28(PT1)/3(2003) : 2003 PHYSICAL VAPOUR DEPOSITION OF METALS - PART 1: PHYSICAL VAPOUR DEPOSITION OF ALUMINIUM FOR PROTECTION AGAINST CORROSION
DEFSTAN 02-862(PT3)/2(2007) : 2007 FASTENERS - PART 3: NON-FERROUS FASTENERS
DEFSTAN 00-970(PT0)/7(2011) : 2011 DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 03-32(PT5)/4(2005) : 2005 PRE-TREATMENT AND PAINTING OF VEHICLES, ENGINEERING EQUIPMENT AND COMPONENTS - PART 5: SYSTEMS FOR NON-FERROUS METALS, EXCLUDING ALUMINIUM ALLOY FOR ARMOUR AND STRUCTURAL APPLICATIONS
DEFSTAN 03-32(PT6)/4(2005) : 2005 PRE-TREATMENT AND PAINTING OF VEHICLES, ENGINEERING EQUIPMENT AND COMPONENTS - PART 6: SYSTEMS FOR SPECIALISED VEHICLES, COMPONENTS AND SUBSTRATES INCLUDING DISTINCTIVE COLOURS
DEFSTAN 03-2/4(2005) : 2005 CLEANING AND PREPARATION OF METAL SURFACES
DEFSTAN 22-65/3(2005) : 2005 GAUGES, SUBMARINE DEPTH, DIAL INDICATING
DEFSTAN 21-5/2(2004) : 2004 CODE OF PRACTICE FOR PROTECTIVE FINISHES
DEFSTAN 00-970(PT0)/5(2007) : 2007 DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 03-14/3(2005) : 2005 ELECTRO-DEPOSITION OF CHROMIUM FOR ENGINEERING PURPOSES
DEFSTAN 03-24/5(2008) : 2008 CHROMIC ACID ANODIZING OF ALUMINIUM AND ALUMINIUM ALLOYS
DEFSTAN 03-38/1(2007) : 2007 GUIDANCE FOR THE USE OF ALTERNATIVES TO HEXAVALENT CHROMIUM FOR THE PROTECTIVE COATING OF DEFENCE EQUIPMENT

BS EN 12373-2:1999 Aluminium and aluminium alloys. Anodizing Determination of mass per unit area (surface density) of anodic oxidation coatings. Gravimetric method
BS 7479:1991 Method for salt spray corrosion tests in artificial atmospheres
BS EN ISO 3696:1995 Water for analytical laboratory use. Specification and test methods
BS EN 12373-5:1999 Aluminium and aluminium alloys. Anodizing Assessment of quality of sealed anodic oxidation coatings by measurement of admittance
BS 6161-18:1991 Methods of test for anodic oxidation coatings on aluminium and its alloys Determination of surface abrasion resistance
BS EN 12373-10:1999 Aluminium and aluminium alloys. Anodizing Measurement of mean specific abrasion resistance of anodic oxidation coatings using an abrasive jet test apparatus
DEFSTAN 03-21/3(2002) : 2002 MECHANICAL METHODS FOR THE INDUCEMENT OF RESIDUAL SURFACE COMPRESSIVE STRESSES
BS EN ISO 2360:2017 Non-conductive coatings on non-magnetic electrically conductive base metals. Measurement of coating thickness. Amplitude-sensitive eddy-current method
BS EN 12373-9:1999 Aluminium and aluminium alloys. Anodizing Measurement of wear resistance and wear index of anodic oxidation coatings using an abrasive wheel wear test apparatus
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
DEFSTAN 03-24/4(2003) : 2003 CHROMIC ACID ANODIZING OF ALUMINIUM AND ALUMINIUM ALLOYS
BS EN 12373-8:1999 Aluminium and aluminium alloys. Anodizing Determination of the comparative fastness to ultra-violet light and heat of coloured anodic oxidation coatings

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