ASTM E768-99

ASTM E768-99 - 10.4.1999

1. Scope

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.

2. Referenced Documents

E1245-03(2023)	Standard Practice for Determining the Inclusion or Second-Phase Constituent Content of Metals by Automatic Image Analysis
	ADJE0768 Differential Interference Contrast Magnification 100X and 500X (6 micrographs)
E7-22	Standard Terminology Relating to Metallography
E45-18a(2023)	Standard Test Methods for Determining the Inclusion Content of Steel (Includes all amendments and changes 11/6/2023).
E883-11(2017)	Standard Guide for Reflected-Light Photomicrography
E1122-96	Standard Practice for Obtaining JK Inclusion Ratings Using Automatic Image Analysis
E3-11(2017)	Standard Guide for Preparation of Metallographic Specimens