Active standard | Published: 29/05/2026

ISO 4967:2026-ed.4.0

Steel — Determination of the non-metallic inclusion content — Micrographic method
(Acier — Détermination de la teneur en inclusions non métalliques — Méthode micrographique)

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 4967:2026-ed.4.0

Publication date: 29/05/2026

Pages: 56

Country: International technical standard

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Anotation

Description / 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).

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