DEFSTAN 03-38/1(2007) : 2007
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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GUIDANCE FOR THE USE OF ALTERNATIVES TO HEXAVALENT CHROMIUM FOR THE PROTECTIVE COATING OF DEFENCE EQUIPMENT
Hardcopy , PDF
23-07-2010
English
01-01-2007
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Foreword
Introduction
1 Scope
2 Warning
3 Normative References
4 Abbreviations
5 Specific Guidance For Alternatives To Hard Chromium Plate
In Defence Equipment
5.1 Introduction
5.5 Fatigue
6 Basic Properties And Process Details Of Hard Chromium
Plating
6.1 Types of chromium plate
6.2 Electrolytic hard chromium coating
6.3 Survey of equipment items traditionally hard chromium
plated
7 Alternatives To Hard Chromium Plating
7.1 Classification of alternatives
7.2 Aqueous-based processes
7.3 Trivalent-chromium-based coating from a non-aqueous
electroplating bath
7.4 Thermal sprayed coatings
7.5 Vapour deposition
7.6 Overlay processes
7.7 Modification/substitution of "basis material"
8 Assessment Of Alternatives For Hard Chromium Plating
8.1 Process features
8.2 Properties/behaviour of EHC alternatives
8.3 Cost exercises
8.4 Industry experience
9 Specific guidance for alternatives to hexavalent chromium
conversion coatings in defence equipment
9.2 Zinc-base substrates
9.3 Aluminium-base substrates
10 Basic Properties And Process Details Of Chromium Conversion
Coating (CCC)
11 Alternatives To Chromium Conversion Coating (CCC)
11.1 General comments on CCC alternatives
11.2 CCC alternatives for zinc-base coatings
11.3 CCC alternatives for aluminium-base substrates
12 Assessment Of CCC Alternatives
12.1 Zinc-base substrates
12.2 Aluminium-base substrates
13 Specific guidance for alternatives to chromic acid anodising
(CAA)
13.1 Provision of corrosion resistance and paint adhesion
13.2 Pretreatment for structural adhesive bonding
14 Chromic Acid Anodising (CAA)
15 Alternatives To Chromic Acid Anodising (CAA)
15.1 Sulphuric acid anodising (SAA)
15.2 Other, non-chromate anodising processes
16 Commercial utilisation of CAA alternatives
Annex A - Health And Safety Issues And The Current Regulations
For, And Restrictions On The Use Of, Hard Chromium
Plating, Chromium Conversion Coating, And Chromic
Acid Anodising
A.1 The Chemistry Of Chromium
A.2 Health And Environmental Aspects Of The Various Forms
Of Chromium
A.3 Impact On Production And Use Of Hard Chromium Plating
A.4 Impact On Production And Use Of Chromium Conversion
Coatings And Chromic Acid Anodising
A.5 Legislative Regulations
A.6 Summarising Comments
A.7 Health And Environmental Aspects Associated With
Hexavalent Chromium Alternatives
Annex B - List Of References
Tables
Figures
Provides guidance on the alternatives that are available to replace hexavalent chromium in three categories of protective coating for defence equipment: - hard chromium plate, - chromate conversion coatings, - chromic acid anodising.
| DocumentType |
Standard
|
| Pages |
56
|
| PublisherName |
UK Ministry of Defence Standards
|
| Status |
Superseded
|
| SupersededBy |
| DEFSTAN 03-36/2(2010) : 2010 | GUIDANCE TO THE USE OF CADMIUM ALTERNATIVES IN THE PROTECTIVE COATING OF DEFENCE EQUIPMENT |
| DEFSTAN 03-39/1(2008) : 2008 | ELECTRODEPOSITION OF ZINC-COBALT ALLOYS |
| DEFSTAN 03-43/1(2008) : 2008 | THERMAL SPRAYED COATINGS FOR WEAR RESISTANCE |
| DEFSTAN 03-40/1(2008) : 2008 | ELECTRODEPOSITION OF ZINC-NICKEL ALLOYS |
| DEFSTAN 03-41/1(2008) : 2008 | TRIVALENT CHROMIUM PASSIVATION TREATMENTS FOR ELECTRODEPOSITED ZINC-BASE COATINGS |
| DEFSTAN 03-18/4(2008) : 2008 | CHROMATE CONVERSION COATINGS (CHROMATE FILMING TREATMENTS) GRADES: STANDARD AND BRUSHING FOR ALUMINIUM AND ALUMINIUM ALLOYS |
| DEFSTAN 03-18/3(2003) : 2003 | CHROMATE CONVERSION COATINGS (CHROMATE FILMING TREATMENTS) GRADES: STANDARD AND BRUSHING FOR ALUMINIUM AND ALUMINIUM ALLOYS |
| DEFSTAN 03-21/3(2002) : 2002 | MECHANICAL METHODS FOR THE INDUCEMENT OF RESIDUAL SURFACE COMPRESSIVE STRESSES |
| DEFSTAN 02-870/2(2004) : 2004 | CHROMIUM PLATING FOR THE RECLAMATION OF ENGINEERING COMPONENTS |
| DEFSTAN 03-14/3(2005) : 2005 | ELECTRO-DEPOSITION OF CHROMIUM FOR ENGINEERING PURPOSES |
| DEFSTAN 03-25/4(2003) : 2003 | SULFURIC ACID ANODISING OF ALUMINIUM AND ALUMINIUM ALLOYS |
| DEFSTAN 03-31/1(1993) : 1993 | A GUIDE TO THE USE OF CHROMIUM PLATING FOR ENGINEERING PURPOSES |
| DEFSTAN 03-36/1(2005) : 2005 | GUIDANCE TO THE USE OF CADMIUM ALTERNATIVES IN THE PROTECTIVE COATING OF DEFENCE EQUIPMENT |
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