AS/NZS 4680:2006
Hot-dip galvanized (zinc) coatings on fabricated ferrous articles
Specifies requirements and tests for hot-dip zinc coatings on fabrications, assembled steel products, tubular fabrications, fabricated wire work, steel forgings, steel stampings, ferrous castings, nails and small components.
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AS/NZS 4680:2006 HOT-DIP GALVANIZED (ZINC) COATINGS ON FABRICATED FERROUS ARTICLES - -
PREFACE
CONTENTS
1 SCOPE
2 REFERENCED DOCUMENTS
3 DEFINITIONS
3.1 Coating mass
3.2 Coating mass, average
3.3 Coating mass, local
3.4 Coating thickness
3.5 Coating thickness, average
3.6 Coating thickness, local
3.7 Galvanizer
3.8 Hot-dip galvanized coating
3.9 Hot-dip galvanizing
3.10 Reference area
3.11 Significant surface
4 DESIGN REQUIREMENTS
5 BASIS METAL
6 GALVANIZING PROCESS
6.1 Pretreatment
6.2 Bath composition
6.3 Threaded components
7 APPEARANCE AND FREEDOM FROM DEFECTS
8 REPAIR AFTER GALVANIZING
8.1 Extent of repairable damaged or uncoated areas
8.2 Repair requirements
8.3 Repair after site handling and installation
8.4 Site repair
9 COATING MASS AND THICKNESS
9.1 Coating mass
9.2 Coating thickness
10 ADHERENCE OF COATING
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
APPENDIX C - RECOMMENDED PROCEDURES FOR THE DESIGN AND PREPARATION OF ARTICLES FOR GALVANIZING
C1 SCOPE
C2 SIZE AND SHAPE
C3 DIMENSIONAL STABILITY
C4 OVERLAPPING OR CONTACTING SURFACES
C5 WELDING
C6 VENTING AND DRAINING
C6.1 General
C6.2 Hollow sections
C7 ASSEMBLIES
C8 MOVABLE PARTS
C9 LABELS AND MARKINGS
C10 HANDLING
C11 CASTINGS
APPENDIX D - PROPERTIES OF THE STEEL TO BE COATED, WHICH CAN AFFECT OR BE AFFECTED BY HOT-DIP GALVANIZING
D1 BASIS METAL
D1.1 Composition
D1.2 Surface condition
D1.3 The influence of the steel surface on the hot-dip galvanized coating thickness
D1.4 Stresses in the basis metal
D2 LARGE OBJECTS OR THICK STEELS
D3 HOT-DIP GALVANIZING PRACTICE
APPENDIX E - DUPLEX ADDED PROTECTION FOR GALVANIZING PLACE BELOW GROUND
E1 SCOPE
E2 PAINTING PROCEDURES
E2.1 General
E2.2 Preparation
E2.3 Painting system
APPENDIX F - TRANSPORT AND STORAGE OF GALVANIZED ARTICLES
APPENDIX G - DETERMINATION OF COATING MASS AND LOCAL THICKNESS
G1 GENERAL
G2 GRAVIMETRIC METHOD
G2.1 Method
G2.2 Calculation of coating mass
G3 VOLUMETRIC METHOD
G3.1 Method
G3.2 Calculation of coating mass
G4 MASS-ON-MASS METHOD
G5 MAGNETIC, MAGNETIC INDUCTION AND EDDY CURRENT METHODS FOR LOCAL THICKNESS
G5.1 General
G5.2 Calculation of coating mass
G6 TEST REPORT
APPENDIX H - GENERAL INFORMATION ON FACTORS THAT AFFECT THE CORROSION OF GALVANIZED STEEL
H1 SCOPE
H2 EXTERNAL ATMOSPHERIC CORROSIVITY FACTORS
H3 LOCAL ENVIRONMENT EFFECTS
H4 SEA WATER IMMERSION
APPENDIX I - INFORMATION ON THE USE OF SWEEP (BRUSH) BLAST CLEANING OF GALVANIZED STEEL PRIOR TO PAINTING
I1 GENERAL
I2 PROCEDURE
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References
Zinc and zinc/aluminium-alloy coatings on steel wire
Hot-dip galvanized (zinc) coatings on ferrous open sections, applied by an in-line process
Hot-dip galvanized (zinc) coatings on ferrous hollow sections, applied by a continuous or a specialized process
Related Information
Building Code Compliance Document SH
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: AS1
Citation context:Building Code Compliance Document E2
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: AS1
Citation context:Building Code Compliance Document B1
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: AS3
Citation context:Similar Standards
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AS/NZS 4534:2006
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AS/NZS 4791:2006
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AS/NZS 4680:2006 HOT-DIP GALVANIZED (ZINC) COATINGS ON FABRICATED FERROUS ARTICLES - -
PREFACE
CONTENTS
1 SCOPE
2 REFERENCED DOCUMENTS
3 DEFINITIONS
3.1 Coating mass
3.2 Coating mass, average
3.3 Coating mass, local
3.4 Coating thickness
3.5 Coating thickness, average
3.6 Coating thickness, local
3.7 Galvanizer
3.8 Hot-dip galvanized coating
3.9 Hot-dip galvanizing
3.10 Reference area
3.11 Significant surface
4 DESIGN REQUIREMENTS
5 BASIS METAL
6 GALVANIZING PROCESS
6.1 Pretreatment
6.2 Bath composition
6.3 Threaded components
7 APPEARANCE AND FREEDOM FROM DEFECTS
8 REPAIR AFTER GALVANIZING
8.1 Extent of repairable damaged or uncoated areas
8.2 Repair requirements
8.3 Repair after site handling and installation
8.4 Site repair
9 COATING MASS AND THICKNESS
9.1 Coating mass
9.2 Coating thickness
10 ADHERENCE OF COATING
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
APPENDIX C - RECOMMENDED PROCEDURES FOR THE DESIGN AND PREPARATION OF ARTICLES FOR GALVANIZING
C1 SCOPE
C2 SIZE AND SHAPE
C3 DIMENSIONAL STABILITY
C4 OVERLAPPING OR CONTACTING SURFACES
C5 WELDING
C6 VENTING AND DRAINING
C6.1 General
C6.2 Hollow sections
C7 ASSEMBLIES
C8 MOVABLE PARTS
C9 LABELS AND MARKINGS
C10 HANDLING
C11 CASTINGS
APPENDIX D - PROPERTIES OF THE STEEL TO BE COATED, WHICH CAN AFFECT OR BE AFFECTED BY HOT-DIP GALVANIZING
D1 BASIS METAL
D1.1 Composition
D1.2 Surface condition
D1.3 The influence of the steel surface on the hot-dip galvanized coating thickness
D1.4 Stresses in the basis metal
D2 LARGE OBJECTS OR THICK STEELS
D3 HOT-DIP GALVANIZING PRACTICE
APPENDIX E - DUPLEX ADDED PROTECTION FOR GALVANIZING PLACE BELOW GROUND
E1 SCOPE
E2 PAINTING PROCEDURES
E2.1 General
E2.2 Preparation
E2.3 Painting system
APPENDIX F - TRANSPORT AND STORAGE OF GALVANIZED ARTICLES
APPENDIX G - DETERMINATION OF COATING MASS AND LOCAL THICKNESS
G1 GENERAL
G2 GRAVIMETRIC METHOD
G2.1 Method
G2.2 Calculation of coating mass
G3 VOLUMETRIC METHOD
G3.1 Method
G3.2 Calculation of coating mass
G4 MASS-ON-MASS METHOD
G5 MAGNETIC, MAGNETIC INDUCTION AND EDDY CURRENT METHODS FOR LOCAL THICKNESS
G5.1 General
G5.2 Calculation of coating mass
G6 TEST REPORT
APPENDIX H - GENERAL INFORMATION ON FACTORS THAT AFFECT THE CORROSION OF GALVANIZED STEEL
H1 SCOPE
H2 EXTERNAL ATMOSPHERIC CORROSIVITY FACTORS
H3 LOCAL ENVIRONMENT EFFECTS
H4 SEA WATER IMMERSION
APPENDIX I - INFORMATION ON THE USE OF SWEEP (BRUSH) BLAST CLEANING OF GALVANIZED STEEL PRIOR TO PAINTING
I1 GENERAL
I2 PROCEDURE
Previous versions
AS/NZS 4680:2006
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.