ISO 643:1983
International Standard
Historical
·
Approved on
01 September 1983
Steels — Micrographic determination of the ferritic or austenitic grain size
ISO 643:1983 Files
English
27 Pages
Historical
OMR
32.3
ISO 643:1983 Scope
Specifies the methods for revealing the grain and for estimating the mean size of the grain revealed. Includes a counting method (annex A) and determination of grain size by using of standard charts (annnexes B and C) taken from an AFNOR Standard and an ASTM document, respectively.
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