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DEFSTAN
DEFSTAN 03-20/3(2005) : 2005

DEFSTAN 03-20/3(2005) : 2005

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

ELECTRO-DEPOSITION OF ZINC

Available format(s)

Hardcopy , PDF

Withdrawn date

21-05-2015

Language(s)

English

Published date

01-01-2005

Publisher

UK Ministry of Defence Standards

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 - PROCESS REQUIREMENTS
7 General
8 Heat Treatment
9 Surface Preparation
10 Zinc Plating
11 Washing
12 Passivation
13 Heat Treatment Relief of Hydrogen Embrittlement
SECTION 3 - INSPECTION AND TEST
14 Inspection
15 Selection of Test Samples
16 Visual Inspection
17 Adhesion
18 Thickness of Coating
19 Freedom from Mercury
20 Re-Treatment of Items Rejected on Inspection
ANNEX A - Method for the Detection of Mercury
ANNEX B - Adhesion Tests
ANNEX C - Methods for the Determination of Average Thickness

Specifies the requirements for the electro-deposition of zinc on non-corrosion resisting steel items for protection against corrosion, and on copper-base alloy items and corrosion resisting steel items for the reduction of contact corrosion of less noble metallic materials. Zinc coatings shall not be used on items which are liable to be subjected to temperatures exceeding 350 degrees C.

DevelopmentNote
Supersedes DEFSTAN 03-20/2(1994) (02/2005) This standard is obsolescent because it is no longer required for the procurement of new equipment but is retained for maintenance purposes in support of existing in-service equipment. (05/2013)
DocumentType
Standard
Pages
18
PublisherName
UK Ministry of Defence Standards
Status
Withdrawn
SupersededBy
Supersedes

BS 7195(1989) : 1989 GUIDE FOR PREVENTION OF CORROSION OF METALS CAUSED BY VAPOURS FROM ORGANIC MATERIALS
DEFSTAN 00-970(PT0)/6(2010) : 2010 DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 21-5/4(2016) : 2016 CODE OF PRACTICE FOR PROTECTIVE FINISHES
DEFSTAN 03-4/5(2006) : 2006 THE PRE-TREATMENT AND PROTECTION OF STEEL ITEMS OF MAXIMUM TENSILE STRENGTH EXCEEDING 1450 MPA
DEFSTAN 03-29/4(2008) : 2008 PROTECTION OF METALLIC SPRINGS AGAINST CORROSION
DEFSTAN 00-970(PT0)/9(2012) : 2012 DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 02-862(PT1)/2(2007) : 2007 FASTENERS - PART 1: GENERAL
DEFSTAN 00-970(PT0)/17(2016) : 2016 DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 00-970(PT0)/7(2011) : 2011 DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 00-970(PT0)/14(2014) : 2014 DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 03-36/2(2010) : 2010 GUIDANCE TO THE USE OF CADMIUM ALTERNATIVES IN THE PROTECTIVE COATING OF DEFENCE EQUIPMENT
DEFSTAN 03-32(PT4)/4(2005) : 2005 PRE-TREATMENT AND PAINTING OF VEHICLES, ENGINEERING EQUIPMENT AND COMPONENTS - PART 4: SYSTEMS FOR FERROUS METAL, EXCLUDING ARMOUR
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 02-862(PT1)/3(2011) : 2011 NAVAL FASTENERS - PART 1: MATERIAL SELECTION AND USE
DEFSTAN 00-970(PT0)/12(2014) : 2014 DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 00-970(PT0)/11(2013) : 2013 DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 00-970(PT0)/13(2014) : 2014 DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 00-970(PT0)/15(2015) : 2015 DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 07-85(PT1)/3(2006) : 2006 DESIGN REQUIREMENTS FOR WEAPONS AND ASSOCIATED SYSTEMS - PART 1: MANDATORY DESIGN REQUIREMENTS
DEFSTAN 03-4/6(2011) : 2011 THE PRE-TREATMENT AND PROTECTION OF STEEL ITEMS OF SPECIFIED MAXIMUM TENSILE STRENGTH EXCEEDING 1450 MPA
DEFSTAN 00-970(PT0)/8(2011) : 2011 DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 00-970(PT0)/10(2013) : 2013 DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 00-970(PT0)/16(2015) : 2015 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
DEFSTAN 00-970(PT0)/5(2007) : 2007 DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 03-39/1(2008) : 2008 ELECTRODEPOSITION OF ZINC-COBALT ALLOYS
SAE AMS 03-040 : 2017 ELECTRODEPOSITION OF ZINC-NICKEL ALLOYS
SAE AMS03-4A : 2015(S2017) THE PRE-TREATMENT AND PROTECTION OF STEEL ITEMS OF SPECIFIED MAXIMUM TENSILE STRENGTH EXCEEDING 1450 MPA
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

BS 2656:1972 Specification for zinc anodes, zinc oxide and zinc salts for electroplating
BS EN ISO 6507-1:2005 Metallic materials. Vickers hardness test Test method
DEFSTAN 03-4/4(1998) : 1998 THE PRE-TREATMENT AND PROTECTION OF STEEL ITEMS OF SPECIFIED MAXIMUM TENSILE STRENGTH EXCEEDING 1450 MPA
DEFSTAN 03-21/3(2002) : 2002 MECHANICAL METHODS FOR THE INDUCEMENT OF RESIDUAL SURFACE COMPRESSIVE STRESSES
BS 5411(1972) : LATEST
DEFSTAN 03-14/2(1995) : 1995 ELECTRO-DEPOSITION OF CHROMIUM FOR ENGINEERING PURPOSES
BS 6338:1982 Specification for chromate conversion coatings on electroplated zinc and cadmium coatings
DEFSTAN 03-2/3(1995) : 1995 CLEANING AND PREPARATION OF METAL SURFACES

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