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ISO 4967:2026

Steel — Determination of the non-metallic inclusion content — Micrographic method ISO 4967:2026

Publication date:   May 29, 2026

General information

60.60   Standard published   May 29, 2026

ISO

ISO/TC 17/SC 7 Methods of testing (other than mechanical tests and chemical analysis)

International Standard

77.040.99   Other methods of testing of metals

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Scope

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).

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WITHDRAWN
ISO 4967:2013

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PUBLISHED
ISO 4967:2026
60.60 Standard published
May 29, 2026




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