Table of Contents

Foreword
1 Scope
2 Principle
3 Sampling
4 Preparation of specimens
5 Determination of the content of inclusions
6 Expression of results
7 Test report
Annex A (normative) - ISO Chart diagrams for inclusion
        groups A, B, C, D and DS
Annex B (informative) - Assessment of a field and of oversized
        inclusions or stringers
Annex C (informative) - Typical example of results (the total
        number of fields showing the index, by type of inclusion,
        for a given number of fields observed)
Annex D (informative) - Relationship between chart diagram
        indices and inclusion measurements

Abstract

Describes a micrographic method of determining the non-metallic inclusions in rolled or forged steel products having a reduction ratio of at least 3 using standard diagrams.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 17
Supersedes	ISO 4967 : 1998