International Standard
ISO 4967:2026
Steel — Determination of the non-metallic inclusion content — Micrographic method
Reference number
ISO 4967:2026
Edition 4
2026-05
© ISO 2026
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Published (Edition 4, 2026)

ISO 4967:2026

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Format
CHF 204
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Abstract

This document specifies a micrographic method of determining the non-metallic inclusions in rolled or forged steel products having a reduction ratio of at least 3 using the images of a standard reference chart or direct measurement by image analysis technologies.

The standard reference chart described in this document is not entirely applicable for certain types of steel (e.g. free cutting steels).

General information

  • Status
     : Published
    Publication date
     : 2026-05
    Stage
    : International Standard published [60.60]
  • Edition
     : 4
    Number of pages
     : 56
  • Technical Committee :
    ISO/TC 17/SC 7
    ICS :
    77.040.99 
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goals

8
Decent Work and Economic Growth
9
Industry, Innovation and Infrastructure

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