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DANSK DS/EN ISO 643 [ Active ]

Steels – Micrographic determination of the apparent grain size (ISO 643:2019)

standard by Dansk Standard , 01/20/2020

📝 Amendments Available

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Full Description

SAME AS ISO 643

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.

 

Product Details

Edition:
20
Published:
01/20/2020
Number of Pages:
32
File Size:
1 file , 2 MB
Product Code(s):
DS-031, DS-031
 

Document History

  1. DANSK DS/EN ISO 643

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    Steels – Micrographic determination of the apparent grain size (ISO 643:2019)

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  2. DANSK DS/EN ISO 643


    Steels - Micrographic determination of the apparent grain size

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  3. DANSK DS/EN ISO 643


    Steels - Micrographic determination of the apparent grain size

    • Historical Version
 

Amendments, rulings, supplements, and errata

  1. DANSK DSF/PREN ISO 643


    Steels – Micrographic determination of the apparent grain size (ISO/DIS 643:2023)