E930 Standard Test Methods for Estimating the ... - ASTM …
Feb 7, 2019 · ASTM E930-18. Standard Test Methods for Estimating the Largest Grain Observed in a Metallographic Section (ALA Grain Size) Significance and Use. 4.1 The presence of large grains has been correlated with anomalous mechanical behavior in, for example, crack initiation, crack propagation, and fatigue.
This standard is issued under the fixed designation E930; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.
1 This test method is under the jurisdiction of ASTM Committee E04 on Metallography and is the direct responsibility of Subcommittee E04.08 on Grain Size. Current edition approved Oct. 1, 2007. Published October 2007. Originally approved in 1983. Last previous edition approved in 1999 as E 930 Ð 99.
ASTM-E930 | Standard Test Methods for Estimating the Largest …
Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications. ASTM-E930 Standard Test Methods for Estimating the Largest Grain Observed in a Metallographic Section (ALA Grain Size) - ALA grain; caliper diameter; comparison procedure; ellipse measurement; grain ...
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Standard Test Methods for Estimating the Largest Grain Observed in a Metallographic Section (ALA Grain Size) For determining the dimensions of the biggest grain cross-section shown on a metallographically created plane section, refer to the ASTM E930-18 standard.
ASTM International - ASTM E930-18 - Standard Test Methods for ...
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.
ASTM E930-18 - Standard Test Methods for Estimating the …
astm e930-18 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 measuring the size of the largest grain cross-section observed on a metallographically prepared plane section.
This standard is issued under the fixed designation E930; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.
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ASTM E930-18 Standard Test Methods for Estimating the Largest Grain Observed in a Metallographic Section (ALA Grain Size) standard by ASTM International , 12/01/2018. View all product details
Methods E930. 1.3 These test methods deal only with determination of planar grain size, that is, characterization of the two-dimensional grain sections revealed by the sectioning plane.
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