S.R. CEN ISO/TR 20491:2021
Current
The latest, up-to-date edition.
Fasteners - Fundamentals of hydrogen embrittlement in steel fasteners (ISO/TR 20491:2019)
Hardcopy , PDF
English
26-12-2021
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 General description of hydrogen embrittlement
6 Hydrogen damage mechanism
7 Fracture morphology
8 Conditions at the tip of a crack
9 Conditions for hydrogen embrittlement failure
11 Hot dip galvanizing and thermal up-quenching
12 Stress relief prior to electroplating
13 Fasteners thread rolled after heat treatment
14 Hydrogen embrittlement test methods
15 Baking
Bibliography
This document presents the latest knowledge related to hydrogen embrittlement, translated into knowhow in a manner that is complete yet simple, and directly applicable to steel fasteners.
| Committee |
ISO/TC 2
|
| DocumentType |
Standard Recommendation
|
| Pages |
40
|
| ProductNote |
The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document.
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| CEN ISO/TR 20491:2021 | Identical |
| ISO/TR 20491:2019 | Identical |
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