Abstract
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.
General information
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Status: PublishedPublication date: 2013-07Stage: International Standard to be revised [90.92]
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Edition: 3Number of pages: 39
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Technical Committee :ISO/TC 17/SC 7ICS :77.040.99
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Life cycle
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Previously
WithdrawnISO 4967:1998
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Now
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Will be replaced by
Under developmentISO/DIS 4967