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AS ISO 17781:2022
$149.01
Petroleum, petrochemical and natural gas industries — Test methods for quality control of microstructure of ferritic/austenitic (duplex) stainless steels
AS ISO 17781:2022 identically adopts ISO 17781:2017, specifying quality control testing methods and test conditions for the characterization of microstructure in relation to relevant properties in ferritic/austenitic (duplex) stainless steel components supplied in the solution annealed condition and fabrication welds in the as welded condition.
Table of contents
Header
About this publication
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
3.2 Abbreviated terms
4 Sampling of test specimens
4.1 General
4.2 Casting test blocks
4.3 Welds in the as welded condition
5 Test methods
5.1 General
5.2 Microstructural examination
5.2.1 General
5.2.2 Preparation of specimen
5.2.3 Etching of specimens
5.2.4 Microstructural evaluation of test specimens
