AS/NZS 4534:1998
Zinc and zinc/aluminium-alloy coatings on steel wire
Specifies requirements for mass, quality and testing of zinc coatings and zinc/aluminium-alloy coatings on steel wire of circular or non-circular cross-section. The coatings are applied using a continuous process which may comprise immersion in molten metal or electrodeposition. The Standard applies to coatings on wire at its final size and specifies six coating mass classes. It specifies methods for the determination of coating mass and gives advice on the transport and storage of coated wires, and on coating selection for corrosion protection.
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AS/NZS 4534:1998 ZINC AND ZINC/ALUMINIUM-ALLOY COATINGS ON STEEL WIRE
PREFACE
CONTENTS
1 SCOPE
2 REFERENCED DOCUMENTS
3 DEFINITIONS
3.1 Coating class
3.2 Coating mass
3.3 Galvanized coating
3.4 Hot-dip coating
3.5 Wire
3.6 Zinc coating
3.7 Zinc/aluminium-alloy coating
4 DESIGNATION
4.1 General
4.2 Designation of coating class
4.3 Designation of coating type and material
5 WIRE MANUFACTURING PROCESS
5.1 Continuous coating process
5.1.1 Raw materials
5.1.2 Precautions
5.2 Drawing or rolling process
5.3 Supplementary non-metallic coatings
6 APPEARANCE
7 SELECTION OF TEST SPECIMENS FOR COATING MASS AND COATING ADHERENCE TESTS
7.1 General
7.2 Coating mass
7.3 Adherence of coating
8 TEST METHOD AND REQUIREMENTS FOR COATING MASS
9 TEST METHOD AND REQUIREMENTS FOR COATING ADHERENCE
10 CORROSION RESISTANCE
11 ROUNDING OF TEST RESULT VALUES
12 MARKING
APPENDIX A - PURCHASING GUIDELINES
A1 GENERAL
A2 INFORMATION TO BE SUPPLIED BY THE PURCHASER
APPENDIX B - MEANS FOR DEMONSTRATING COMPLIANCE WITH THIS STANDARD
B1 SCOPE
B2 STATISTICAL SAMPLING
B3 PRODUCT CERTIFICATION
B4 SUPPLIER'S QUALITY SYSTEM
B5 OTHER MEANS OF ASSESSMENT
B5.1 General
B5.2 Sampling and testing for coating mass and coating adherence
B5.3 Compliance
B5.4 Retests
APPENDIX C - CHANGES IN MECHANICAL PROPERTIES CAUSED BY AGEING OR HYDROGEN EMBRITTLEMENT
APPENDIX D - TRANSPORT AND STORAGE OF ZINC-COATED OR ZINC/ALUMINIUM ALLOY-COATED WIRES
APPENDIX E - DETERMINATION OF COATING MASS
E1 GENERAL
E2 GRAVIMETRIC DETERMINATION
E2.1 Principle
E2.2 Stripping solution
E2.3 Test piece
E2.4 Procedure
E2.5 Calculation of coating mass
E3 VOLUMETRIC DETERMINATION
E3.1 Principle
E3.2 Stripping solution
E3.3 Apparatus
E3.4 Test pieces
E3.5 Procedure
E3.6 Calculation of coating mass
E3.7 Correction for temperature and barometric pressure
E4 NON-DESTRUCTIVE DETERMINATION
E5 TEST REPORT
APPENDIX F - GUIDELINES ON COATING SELECTION FOR CORROSION PROTECTION OF STEEL WIRE
F1 GENERAL
F2 EXTERNAL ATMOSPHERIC CORROSIVITY CLASSIFICATIONS
F3 EXTERNAL ATMOSPHERIC CORROSIVITY FACTORS
F4 LOCAL ENVIRONMENT EFFECTS
F5 ESTIMATIONS OF COATING DURABILITY
F5.1 External atmospheric conditions
F5.2 Sea water immersion
Amendments
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AS/NZS 4534:1998 ZINC AND ZINC/ALUMINIUM-ALLOY COATINGS ON STEEL WIRE
PREFACE
CONTENTS
1 SCOPE
2 REFERENCED DOCUMENTS
3 DEFINITIONS
3.1 Coating class
3.2 Coating mass
3.3 Galvanized coating
3.4 Hot-dip coating
3.5 Wire
3.6 Zinc coating
3.7 Zinc/aluminium-alloy coating
4 DESIGNATION
4.1 General
4.2 Designation of coating class
4.3 Designation of coating type and material
5 WIRE MANUFACTURING PROCESS
5.1 Continuous coating process
5.1.1 Raw materials
5.1.2 Precautions
5.2 Drawing or rolling process
5.3 Supplementary non-metallic coatings
6 APPEARANCE
7 SELECTION OF TEST SPECIMENS FOR COATING MASS AND COATING ADHERENCE TESTS
7.1 General
7.2 Coating mass
7.3 Adherence of coating
8 TEST METHOD AND REQUIREMENTS FOR COATING MASS
9 TEST METHOD AND REQUIREMENTS FOR COATING ADHERENCE
10 CORROSION RESISTANCE
11 ROUNDING OF TEST RESULT VALUES
12 MARKING
APPENDIX A - PURCHASING GUIDELINES
A1 GENERAL
A2 INFORMATION TO BE SUPPLIED BY THE PURCHASER
APPENDIX B - MEANS FOR DEMONSTRATING COMPLIANCE WITH THIS STANDARD
B1 SCOPE
B2 STATISTICAL SAMPLING
B3 PRODUCT CERTIFICATION
B4 SUPPLIER'S QUALITY SYSTEM
B5 OTHER MEANS OF ASSESSMENT
B5.1 General
B5.2 Sampling and testing for coating mass and coating adherence
B5.3 Compliance
B5.4 Retests
APPENDIX C - CHANGES IN MECHANICAL PROPERTIES CAUSED BY AGEING OR HYDROGEN EMBRITTLEMENT
APPENDIX D - TRANSPORT AND STORAGE OF ZINC-COATED OR ZINC/ALUMINIUM ALLOY-COATED WIRES
APPENDIX E - DETERMINATION OF COATING MASS
E1 GENERAL
E2 GRAVIMETRIC DETERMINATION
E2.1 Principle
E2.2 Stripping solution
E2.3 Test piece
E2.4 Procedure
E2.5 Calculation of coating mass
E3 VOLUMETRIC DETERMINATION
E3.1 Principle
E3.2 Stripping solution
E3.3 Apparatus
E3.4 Test pieces
E3.5 Procedure
E3.6 Calculation of coating mass
E3.7 Correction for temperature and barometric pressure
E4 NON-DESTRUCTIVE DETERMINATION
E5 TEST REPORT
APPENDIX F - GUIDELINES ON COATING SELECTION FOR CORROSION PROTECTION OF STEEL WIRE
F1 GENERAL
F2 EXTERNAL ATMOSPHERIC CORROSIVITY CLASSIFICATIONS
F3 EXTERNAL ATMOSPHERIC CORROSIVITY FACTORS
F4 LOCAL ENVIRONMENT EFFECTS
F5 ESTIMATIONS OF COATING DURABILITY
F5.1 External atmospheric conditions
F5.2 Sea water immersion
Amendments
AS/NZS 4534:1998
Online Library subscription pricing
The cost of your subscription will depend on which standards you want to access, and how many people in your organisation need to be able to access the Online Library subscription at the same time (concurrent users). During your subscription period, we are also able to make any necessary changes and ensure you are aware of any pricing changes that result. For a quote, contact our Online Library team by emailing onlinelibrary@standards.govt.nz.