NEN EN ISO 643 : 2013
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
01-02-2020
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Principle
6 Selection and preparation of the specimen
6.1 Test location
6.2 Revealing ferritic grain boundaries
6.3 Revealing austenitic and prior-austenitic grain
boundaries
7 Characterization of grain size
7.1 Characterization by an index
7.2 Characterization by the intercept method
8 Test report
Annex A (informative) - Summary of methods for revealing
ferritic, austenitic or prior-austenitic grain
boundaries in steels
Annex B (normative) - Determination of grain size -
Standard charts taken from ASTM E112
Annex C (normative) - Evaluation method
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