ISO 643:2012

$36.40

Steels — Micrographic determination of the apparent grain size

Published By	Publication Date	Number of Pages
ISO	2012-12	40

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Categories: 77.040.99 - Other methods of testing of metals, ISO

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Description

ISO 643:2012 specifies a micrographic method of determining apparent ferritic or austenitic grain size in steels. It describes the methods of revealing grain boundaries and of estimating the mean grain size of specimens with unimodal size distribution. Although grains are three-dimensional in shape, the metallographic sectioning plane can cut through a grain at any point from a grain corner, to the maximum diameter of the grain, thus producing a range of apparent grain sizes on the two-dimensional plane, even in a sample with a perfectly consistent grain size.

Additional information

Published Code	ISO
Published By	International Organization for Standardization
Publication Date	2012-12
Pages Count	40
Language	English
Edition	3
File Size	6.7 MB
ICS Codes	77.040.99 - Other methods of testing of metals

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ISO 643:2012

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