ASTM B930-03(2017) PDF

Scope: 1.1 This test method describes a procedure for measuring abnormally large grains and the frequency of those grains in cemented tungsten carbides (hardmetals). 1.2 This standard does not purport to address all of the safety concerns, 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. 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM B930-03(2017) Referenced Document

ASTM B243 Standard Terminology of Powder Metallurgy*， 2023-05-01 Update
ASTM B406 Standard Test Method for Transverse Rupture Strength of Cemented Carbides*， 2021-04-01 Update
ASTM B657 Standard Test Method for Metallographic Determination of Microstructure in Cemented Tungsten Carbides
ASTM B665 Standard Practice for Metallographic Sample Preparation of Cemented Tungsten Carbides

2021 ASTM B930-03(2021) Standard Test Method for Rating Grain Size and Frequency of Abnormally Large Grains in Cemented Tungsten Carbides (Hardmetals)
2017 ASTM B930-03(2017) Standard Test Method for Rating Grain Size and Frequency of Abnormally Large Grains in Cemented Tungsten Carbides (Hardmetals)
2003 ASTM B930-03(2012) Standard Test Method for Rating Grain Size and Frequency of Abnormally Large Grains in Cemented Tungsten Carbides (Hardmetals)
2003 ASTM B930-03(2008) Standard Test Method for Rating Grain Size and Frequency of Abnormally Large Grains in Cemented Tungsten Carbides (Hardmetals)
2003 ASTM B930-03 Standard Test Method for Rating Grain Size and Frequency of Abnormally Large Grains in Cemented Tungsten Carbides (Hardmetals)