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ASTM International - ASTM E930-99

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

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Organization: ASTM International
Publication Date: 10 April 1999
Status: inactive
Page Count: 6
ICS Code (Particle size analysis. Sieving): 19.120
scope:

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.

Document History

December 1, 2018
Standard Test Methods for Estimating the Largest Grain Observed in a Metallographic Section (ALA Grain Size)
4.1 The presence of large grains has been correlated with anomalous mechanical behavior in, for example, crack initiation, crack propagation, and fatigue. Thus there is engineering justification for...
October 1, 2015
Standard Test Methods for Estimating the Largest Grain Observed in a Metallographic Section (ALA Grain Size)
4.1 The presence of large grains has been correlated with anomalous mechanical behavior in, for example, crack initiation, crack propagation, and fatigue. Thus there is engineering justification for...
October 1, 2007
Standard Test Methods for Estimating the Largest Grain Observed in a Metallographic Section (ALA Grain Size)
The presence of large grains has been correlated with anomalous mechanical behavior in, for example, crack initiation, crack propagation, and fatigue. Thus there is engineering justification for...
ASTM E930-99
April 10, 1999
Standard Test Methods for Estimating the Largest Grain Observed in a Metallographic Section (ALA Grain Size)
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...
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