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
5.2.4.1 General
5.2.4.2 Acceptance criteria
5.2.4.3 Reporting
5.3 Ferrite content measurement
5.3.1 Test standard and conditions
5.3.2 Acceptance criteria
5.3.3 Reporting
5.4 Charpy V-notch impact toughness test
5.4.1 Test standard and conditions
5.4.2 Acceptance criteria
5.4.3 Reporting
5.5 Corrosion test
5.5.1 Test standard and conditions
5.5.2 Preparation of test specimens
5.5.3 Acceptance criteria
5.5.4 Reporting
Annex A
Annex B
Bibliography

Cited references in this standard
Content history
DR AS ISO 17781:2022

Please select a variation to view its description.

Published

13/05/2022

Pages

17

Please select a variation to view its pdf.

AS ISO 17781:2022
$149.01