ISO 4967:2013

Steel — Determination of content of non-metallic inclusions — Micrographic method using standard diagrams

Publication date: Jul 24, 2013

General information

Current stage: 90.92 Effective date: Mar 16, 2023

Originator: ISO

Owner: ISO/TC 17/SC 7

Type: International Standard

ICS: 77.040.99

Languages: English French

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Status: Published

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Scope

ISO 4967:2013 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 standard diagrams. This method is widely used to assess the suitability of a steel for a given use. However, since it is difficult to achieve reproducible results owing to the influence of the test operator, even with a large number of specimens, precautions should be taken when using the method.
ISO 4967:2013 also provides for the determination of non-metallic inclusions by image analysis technologies.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4967:1998

NOW

PUBLISHED
ISO 4967:2013
90.92 Standard to be revised
Mar 16, 2023

REVISED BY

ABANDON
ISO/PWI 4967

IN_DEVELOPMENT
ISO/FDIS 4967