Standard
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AS/NZS 1789:2023
[Current]AS/NZS 1789:2023 adopts and modifies ISO 2081:2018, which specifies requirements for electroplated coatings of zinc with supplementary treatments on iron or steel. It includes information to be supplied by the purchaser to the electroplater, and the requirements for heat treatment before and after electroplating. This document does not specify requirements for the surface condition of the basis metal prior to electroplating with zinc.
Published: 17/03/2023
Pages: 12
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
National Foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, abbreviated terms and symbols
3.1 Terms and definitions
3.2 Abbreviated terms
3.3 Symbols
4 Information to be supplied by the purchaser to the electroplater
4.1 Essential information
4.2 Additional information
5 Designation
5.1 General
5.2 Designation specification
5.3 Designation of the basis material
5.4 Designation of heat treatment requirements
6 Requirements
6.1 Appearance
6.2 Thickness
6.3 Trivalent chromium conversion coatings and other supplementary treatments
6.4 Adhesion of zinc and trivalent chromium conversion coatings
6.5 Accelerated corrosion testing
6.5.1 Neutral salt spray test
6.5.2 Corrosion rating
6.6 Stress relief heat treatments before cleaning and metal deposition
6.7 Hydrogen-embrittlement-relief heat treatments after electroplating
7 Sampling
Annex A
A.1 General
A.2 Sealing
A.3 Supplementary treatments other than trivalent chromium conversion coatings
Annex B
B.1 Materials
B.1.1
B.1.2
B.2 Procedure
Bibliography
Appendix ZZ
ZZ.1 Scope
ZZ.2 Modifications
Cited references in this standard
[Current]
Metallic and oxide coatings - Measurement of coating thickness - Microscopical method
[Current]
Metallic and other inorganic coatings - Definitions and conventions concerning the measurement of thickness
[Current]
Metallic and other inorganic coatings - Surface treatment, metallic and other inorganic coatings - Vocabulary
[Current]
Metallic coatings on metallic substrates - Electrodeposited and chemically deposited coatings - Review of methods available for testing adhesion
[Current]
Metallic and other inorganic coatings - Chromate conversion coatings on zinc, cadmium, aluminium-zinc alloys and zinc-aluminium alloys - Test methods
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