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BS EN 10247 : 2017

M00020546

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BS EN 10247 : 2017

MICROGRAPHIC EXAMINATION OF THE NON-METALLIC INCLUSION CONTENT OF STEELS USING STANDARD PICTURES

British Standards Institution

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Table of Contents

European foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Symbols and abbreviations<br>5 Principles<br>6 Brief practical guide<br>7 Sampling<br>8 Test method<br>9 Types of assessment<br>10 Test report<br>Annex A (normative) - Type of inclusions<br>Annex B (normative) - Parameters and assessments<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to be used if not otherwise specified<br>Annex C (informative) - Examples for inclusions of<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;different types<br>Annex D (informative) - Shape factor<br>Annex E (informative) - Examples for magnification<br>Annex F (informative) - Details of the eyepiece graticules<br>Annex G (normative) - Manufacturing specifications<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of the eyepiece graticule<br>Annex H (normative) - Calculation basis for the<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;pictures of the chart<br>Annex I (normative) - Rules for classification<br>Annex J (informative) - Comparison of inclusion types<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;in different standards<br>Annex K (informative) - Worst inclusion assessment<br>Annex L (informative) - Worst field assessment<br>Annex M (informative) - Average field assessment<br>Annex N (normative) - Calculation basis for the<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;assessment<br>Annex O (informative) - Edge Errors correction<br>Annex P (normative) - Calculation of average values<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of parameters for one class<br>Annex Q (normative) - Average values of parameters<br>Bibliography

Abstract

Specifies a method of microscopic non-metallic endogenous inclusion assessment using picture charts.

General Product Information

Document Type Standard
Status Current
Publisher British Standards Institution
Committee ISE/101/7
Supersedes
  • 03/111296 DC : DRAFT AUG 2003
  • DD ENV 10247 : 1998