ASTM C748 : 98

Standard Test Method for Rockwell Hardness of Graphite Materials

Standard Details

1.1 This test method covers Rockwell L scale hardness testing of fine-grained graphite materials with grain size less than 0.8 m ( 1/32 in.) and a hardness range between 0 and 120.

1.2 Test Methods E18 shall be followed except where otherwise indicated.

1.3 The values stated in acceptable metric units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.

1.4 This standard does not purport to address all of the safety problems, 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.

General Information

Status : Historical

Standard Type: Main

Document No: ASTM C748 : 98

Document Year: 1998

Pages: 3

Section Volume:
05.05 Volume 05.05 Petroleum Products, Liquid Fuels, and Lubricants (V): D7756–latest; Combustion Characteristics; Manufactured Carbon and Graphite Products