Standard
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AS/NZS 1789:2023
[Current]Metallic and other inorganic coatings — Electroplated coatings of zinc with supplementary treatments on iron or steel (ISO 2081:2018, MOD)
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 other inorganic coatings - Electrochemical measurement of diffusible hydrogen in steels - Barnacle electrode method
[Current]
Fasteners — Preloading test for the detection of hydrogen embrittlement — Parallel bearing surface method
[Current]
Metallic and other inorganic coatings — Test for residual embrittlement in both metallic-coated and uncoated externally-threaded articles and rods — Inclined wedge method
[Current]
Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates — Rating of test specimens and manufactured articles subjected to corrosion tests
[Current]
Metallic and other inorganic coatings — Post-coating treatments of iron or steel to reduce the risk of hydrogen embrittlement
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