Steel — Determination of the non-metallic inclusion content — Micrographic method
NORM herausgegeben am 29.5.2026
Bezeichnung normen: ISO 4967:2026-ed.4.0
Ausgabedatum normen: 29.5.2026
Zahl der Seiten: 56
Gewicht ca.: 168 g (0.37 Pfund)
Land: Internationale technische Norm
Kategorie: Technische Normen ISO
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).