ASTM A694.pdf Standard Specification for
Carbon and Alloy Steel Forgings for Pipe Flanges, Fittings,
Valves, and Parts for High-Pressure Transmission Service1
This standard is issued under the fixed designation A 694/A 694M; 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 (´) indicates an editorial change since the last revision or reapproval.