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

English 56 Pages
Current Edition
USD 252.1

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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