Astm C 748 – 98 pdf free download

Astm C 748 – 98 pdf free download

Standard Test Method for Rockwell Hardness of Graphite Materials1 This standard is issued under the fixed designation C 748; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon … Read more