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BS EN ISO 643:2020

Steels. Micrographic determination of the apparent grain size

standard by British Standard / European Standard / International Organization for Standardization , 05/05/2020

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Full Description

This document 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.

Cross References:
ASTM E112
ISO 3785
ISO 14250


All current amendments available at time of purchase are included with the purchase of this document.
 

Product Details

Published:
05/05/2020
ISBN(s):
9780539137194, 9780580992902
Number of Pages:
28
File Size:
1 file , 2.4 MB
Same As:
ISO 643:2019
Product Code(s):
30419430, 30419430, 30363663
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. BS EN ISO 643:2020

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    Steels. Micrographic determination of the apparent grain size

    • Most Recent

  2. BS EN ISO 643:2012


    Steels. Micrographic determination of the apparent grain size

    • Historical Version

  3. BS EN ISO 643:2003


    Steels. Micrographic determination of the apparent grain size

    • Historical Version

  4. BS 4490:1989


    Methods for micrographic determination of the grain size of steel

    • Historical Version

  5. BS 4490:1969


    Methods for the determination of the austenitic grain size of steel

    • Historical Version