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ASTM B657-23

Current Revision

Standard Guide for Metallographic Identification of Microstructure in Cemented Carbides

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1.1 This guide covers apparatus and procedures for the metallographic identification of microstructures in cemented carbides.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Precautions applying to use of hazardous laboratory chemicals should be observed for chemicals specified in Table 1.

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.


4.1 The microstructure of a cemented carbide affects the material's mechanical and physical properties. This guide is not intended to be used as a specification for carbide grades. Producers and users may use the microstructural information as a guide in developing their own specifications.

SDO ASTM: ASTM International
Document Number B657
Publication Date Sept. 1, 2023
Language en - English
Page Count 5
Revision Level 23
Supercedes
Committee B09.06
Publish Date Document Id Type View
Sept. 1, 2023 B0657-23 Revision
April 1, 2018 B0657-18 Revision
Oct. 1, 2011 B0657-11 Revision
Oct. 1, 2005 B0657-05 Revision
Jan. 1, 2000 B0657-92R00 Reaffirmation
Jan. 1, 2000 B0657-92R96E01 Reaffirmation