ASTM C 748 : 1998 : R2015
Superseded
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Standard Test Method for Rockwell Hardness of Graphite Materials
Hardcopy , PDF
10-06-2020
English
01-10-2015
CONTAINED IN VOL. 05.05, 2017 Defines Rockwell L scale hardness testing of graphite materials with grain size less than 0.8 mm and a hardness range between 0 and 120.
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