DEFSTAN 03-18/4(2008) : 2008
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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CHROMATE CONVERSION COATINGS (CHROMATE FILMING TREATMENTS) GRADES: STANDARD AND BRUSHING FOR ALUMINIUM AND ALUMINIUM ALLOYS
Hardcopy , PDF
17-01-2012
English
01-01-2008
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Foreword
0 Introduction
1 Scope
2 Warning
3 Normative References
4 Definitions
4.2 Grades
4.2.1 Standard grade
4.2.2 Brushing grade
4.3 Process control schedule
4.4 Significant surface
5 Information to be Supplied to the Processor
6 Process Control
7 Preparation, Coating and Supplementary Treatments
7.1 Preparation of surface
7.1.1 Degreasing
7.1.2 General cleaning
7.1.3 Cleaning prior to repair
7.2 Chromate conversion coating treatments
7.2.1 General information (Standard and Brushing
Grades)
7.2.2 Immersion method (Standard Grade)
7.2.3 Brush or swab method (Standard Grade)
7.2.4 Brush or swab method (Brushing Grade)
7.2.5 Washing and drying after treatment
7.3 Re-Treatment
8 Production Control and Inspection
8.1 Production control
8.2 Inspection
Annex A - Determination of the Weight Per Unit Area of Chromate
Conversion Coatings
A.1 Methodology
A.2 Calculation
A.3 Washing
Annex B - Process Control Tests
B.1 Test 1 - Paint Adhesion
B.2 Test 2 - Corrosion Resistance of Conversion Coating
Exposed to a Salt Spray Environment Test
Annex C - Spot Test for the Presence of Protective Films
C.1 Outline of Test
C.2 Method
C.2.1 Surfaces required
C.3 Solution Make Up
Specifies the properties of chromate conversion coatings on aluminium and aluminium alloys.
| DevelopmentNote |
Supersedes DEFSTAN 03-18/3(2003). (03/2008)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
UK Ministry of Defence Standards
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| DEFSTAN 80-211/2(2011) : 2011 | PAINT, FINISHING, EPOXY, MULTI-PACK - ANTI-SLIP FOR INTERNAL USE - LOW VOC, TYPES 1, 2 AND 3 |
| DEFSTAN 00-970(PT0)/9(2012) : 2012 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS |
| DEFSTAN 03-2/6(2011) : 2011 | CLEANING AND PREPARATION OF METAL SURFACES |
| DEFSTAN 00-970(PT0)/11(2013) : 2013 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS |
| DEFSTAN 03-2/5(2009) : 2009 | CLEANING AND PREPARATION OF METAL SURFACES |
| DEFSTAN 80-210/2(2011) : 2011 | PAINT, FINISHING, POLYURETHANE, MULTI-PACK - ANTI-SLIP FOR EXTERNAL USE - LOW VOC, TYPES 1, 2 AND 3 |
| DEFSTAN 00-970(PT0)/8(2011) : 2011 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS |
| DEFSTAN 03-38/2(2010) : 2010 | GUIDANCE TO THE USE OF ALTERNATIVES TO HEXAVALENT CHROMIUM FOR THE PROTECTIVE COATING OF DEFENCE EQUIPMENT |
| DEFSTAN 03-28(PT1)/4(2008) : 2008 | PHYSICAL VAPOUR DEPOSITION OF METALS - PART 1: PHYSICAL VAPOUR DEPOSITION OF ALUMINIUM FOR PROTECTION AGAINST CORROSION |
| DEFSTAN 00-970(PT0)/10(2013) : 2013 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS |
| DEFSTAN 21-5/3(2009) : 2009 | CODE OF PRACTICE FOR PROTECTIVE FINISHES |
| BS EN 2089:2005 | Aluminium alloy AL-P2014A T6 or T62. Sheet and strip. 0,4 mm ≤ a ≤ 6 mm |
| BS EN 23270:1991 | Specification for temperatures and humidities for conditioning and testing paints, varnishes and their raw materials |
| DEFSTAN 03-38/1(2007) : 2007 | GUIDANCE FOR THE USE OF ALTERNATIVES TO HEXAVALENT CHROMIUM FOR THE PROTECTIVE COATING OF DEFENCE EQUIPMENT |
| DEFSTAN 03-2/4(2005) : 2005 | CLEANING AND PREPARATION OF METAL SURFACES |
| DEFSTAN 80-161/2(2002) : 2002 | PAINT, FINISHING, SPRAYING, EPOXY, MULTI-PACK |
| BS EN ISO 9227:2017 | Corrosion tests in artificial atmospheres. Salt spray tests |
| BS EN ISO 2409:2013 | Paints and varnishes. Cross-cut test |
| BS 2X 33:1998 | Specification for two component epoxy primer for aerospace purposes |
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