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ASTM E340 May 10, 2000
Complete Document
Standard Test Method for Macroetching Metals and Alloys
Includes all amendments and changes through Reapproval Notice , 2006
Page Count:11
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These test procedures describe the methods of macroetching metals and alloys to reveal their macrostructure.

The values stated in inch-pound units are to be regarded as the standard. The SI equivalents of inch-pound units may be approximate.

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. For specific warning statements, see 6.2, 7.1, 8.1.3, 8.2.1, 8.8.3, 8.10.1.1, and 8.13.2.