Standard Practice for
Fabricating and Checking Aluminum Alloy Ultrasonic
Standard Reference Blocks1
This standard is issued under the fixed designation E 127; 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 E 127 – 98 Pdf fad Pdf free
Click here to download Astm E 126 – 92 (Reapproved 1998) Pdf Free Download