ASTM A 531 A 531M – 91 pdf free download

Standard Practice for Ultrasonic Examination of Turbine-Generator Steel Retaining Rings1

This standard is issued under the fixed designation A 531/A 531M; 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.

ASTM A 531 A 531M – 91 pdf free download

Click below to download ASTM A 531 A 531M – 91 pdf free

 

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