Standard Test Method for
Sonic Velocity in Manufactured Carbon and Graphite
Materials for Use in Obtaining an Approximate Young’s
Modulus1
This standard is issued under the fixed designation C 769; 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 769 – 98 pdf free download
click here Astm C 768 – 99 pdf free download