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ASTM E768

1999 Edition, April 10, 1999

Complete Document

Standard Guide for Preparing and Evaluating Specimens for Automatic Inclusion Assessment of Steel

Includes all amendments and changes through Reapproval Notice , 2018


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Product Details:

  • Revision: 1999 Edition, April 10, 1999
  • Published Date: January 2018
  • Status: Active, Most Current
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 5
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This guide2 covers two preparation methods for steel metallographic specimens that will be analyzed for nonmetallic inclusions with automatic image analysis (AIA) equipment. The two methods of preparation are offered as accepted methods used to retain nonmetallic inclusions in steel. This guide does not limit the user to these methods.

A procedure to test the suitability of the prepared specimen for AIA inclusion work, using differential interference contrast (DIC), is presented.

The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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.

2 Supporting data have been filed at ASTM International Headquarters and may be obtained by requesting Research Report RR:E04-1002