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ASTM C748

1998 Edition, March 10, 1998

Complete Document

Standard Test Method for Rockwell Hardness of Graphite Materials

Includes all amendments and changes through Reapproval Notice , 2015


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Product Details:

  • Revision: 1998 Edition, March 10, 1998
  • Published Date: January 2015
  • Status: Active, Most Current
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 3
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / Abstract:

This test method covers Rockwell L scale hardness testing of graphite materials with grain size less than 0.8 mm and a hardness range between 0 and 120.

Test Methods E18 shall be followed except where otherwise indicated. 

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

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.