ISO 4967:2013

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

Publication date:   Jul 24, 2013

General information

90.93 Standard confirmed   Mar 4, 2020

ISO

ISO/TC 17/SC 7 Methods of testing (other than mechanical tests and chemical analysis)

International Standard

77.040.99   Other methods of testing of metals

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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

Revises
ISO 4967:1998

NOW

PUBLISHED
ISO 4967:2013
90.93 Standard confirmed
Mar 4, 2020

REVISED BY

IN_DEVELOPMENT
ISO/PWI 4967