Steels -- Micrographic determination of the ferritic or austenitic grain size
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.
A standard is reviewed every 5 years
Revisions / Corrigenda