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ASTM E930-99

Historical Revision

Standard Test Methods for Estimating the Largest Grain Observed in a Metallographic Section (ALA Grain Size)

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1.1 These test methods describe simple manual procedures for estimating the size of the largest grain observed on a metallographically prepared plane section.

1.2 These test methods shall only be valid for microstructures containing outlier course grains, where their population is too sparse for grain size determination by Test Methods E112.

1.3 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


SDO ASTM: ASTM International
Document Number E930
Publication Date April 10, 1999
Language en - English
Page Count 6
Revision Level 99
Supercedes
Committee E04.08
Publish Date Document Id Type View
Dec. 1, 2018 E0930-18 Revision
April 10, 1999 E0930-99 Revision
Oct. 1, 2015 E0930-99R15 Reaffirmation
Oct. 1, 2007 E0930-99R07 Reaffirmation