ASTM E768-99 PDF

1.1 This practice covers recognized methods for preparing metallographic specimens for automatic nonmetallic inclusion assessment of steel and includes a test for adequacy of preparation.

1.2 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.