ISO 4967:2026
International Standard
Current Edition
·
Approved on
29 May 2026
Steel — Determination of the non-metallic inclusion content — Micrographic method
ISO 4967:2026 Files
null Pages
Current Edition
ISO 4967:2026 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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