GB/T 6394-2002 Metal-methods for estimating the average grain size (Text of Document is in English)

01/06/2003

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Contents

Foreword
Introduction I
1 Scope
2 Terms and Definitions
3 Use Overview
4 Sampling
5 Determination Method of Grain Size
6 Grain Size of Non-equiaxial Grain Specimen
7 Grain Size of Two-phase or Multi-phase and Component Specimen
8 Expression of Grain Size Value
9 Grain Size Report
Appendix A (Normative) Calculation of Various Measured Values of Grain Sizes
Appendix B (Normative) Calculation of Confidence Interval and Relative Error of Grain Size Determination Result
Appendix C (Normative) Forming and Display of Austenite Grain Size of Ferritic and Austenitic Steel
Appendix D (Informative) Technical Differences and their Reasons between this Standard and ASTM E112