I.S. EN ISO 643:2020
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Steels - Micrographic determination of the apparent grain size (ISO 643:2019)
Hardcopy , PDF
15-05-2020
English
03-02-2020
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Principle
6 Selection and preparation of the specimen
7 Characterization of grain size
8 Test report
Annex A (informative) Summary of methods for revealing ferritic, austenitic or prioraustenitic grain boundaries in steels
Annex B (normative) Evaluation method
Bibliography
This document specifies a micrographic method of determining apparent ferritic or austenitic grain size in steels.
| Committee |
ISO/TC 172
|
| DocumentType |
Standard
|
| Pages |
36
|
| 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 |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| EN ISO 643:2020 | Identical |
| ISO 643:2019 | Identical |
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