Astm A 939 – 96 (Reapproved 2001) pdf free download

Standard Test Method for Ultrasonic Examination from Bored Surfaces of Cylindrical Forgings1 This standard is issued under the fixed designation A 939; 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. …