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BS 4490 89th Edition, June 30, 1989
Complete Document
Superseded By: BS EN ISO 643
Methods for Micrographic Determination of the Grain Size of Steel
Includes all amendments and changes through Reaffirmation Notice , December 15, 2001
Additional Comments: W/D S/S BY BS EN ISO 643 * CONTAIN FOLDOUTS *
Page Count:34
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Determination of ferrite or austenite grain sizes and the size of grains containing aggregate phases, e.g. pearlite. Methods for revealing the grain and for estimating the mean size of the microstructural constituent.