Standard Test Method for
Ultrasonic Examination of Turbine and Generator Steel
This standard is issued under the fixed designation A 418; 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 to download Astm A 418 – 99 (Reapproved 2003) pdf free
Click here to download Astm A 417 – 93 (Reapproved 2004) Pdf Free Download