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ASTM E407-23

Current Revision

Standard Practice for Microetching Metals and Alloys

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1.1 This practice covers chemical solutions and procedures to be used in etching metals and alloys for microscopic examination. Safety precautions and miscellaneous information are also included.

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. For specific cautionary statements, see 6.1 and Table 2.

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.


5.1 This practice lists recommended methods and solutions for the etching of specimens for metallographic examination. Solutions are listed that highlight the phases and constituents present in most major alloy systems.

SDO ASTM: ASTM International
Document Number E407
Publication Date Nov. 1, 2023
Language en - English
Page Count 22
Revision Level 23
Supercedes
Committee E04.01
Publish Date Document Id Type View
Nov. 1, 2023 E0407-23 Revision
June 1, 2015 E0407-07R15E01 Revision
May 1, 2007 E0407-07E01 Revision
May 1, 2007 E0407-07 Revision
Oct. 10, 1999 E0407-99 Revision
June 1, 2015 E0407-07R15 Reaffirmation