ASTM A 503 A 503M – 01 pdf free download
Standard Specification for Ultrasonic Examination of Forged Crankshafts1 This standard is issued under the fixed designation A 503/A 503M; 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 …
