Standard Specification for
Impervious Graphite Pipe and Threading1
This standard is issued under the fixed designation C 662; 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 (e) indicates an editorial change since the last revision or reapproval.
click below Astm C 662 – 70 (Reapproved 1998) pdf free download