Standard Practice for
Fabricating and Checking Aluminum Alloy Ultrasonic
Standard Reference Blocks1
This standard is issued underneath the fixed designation e 127; the variety immediately following the designation shows the 12 months of
unique adoption or, inside the case of revision, the 12 months of last revision. a number of in parentheses shows the yr of ultimate reapproval. a
superscript epsilon (e) suggests an editorial alternate because the ultimate revision or reapproval.
This specification has been authorised to be used with the aid of corporations of the branch of protection.
click below to download Astm E 127 – 98 pdf free
click here to download Astm E 126 – 92 (Reapproved 1998) pdf free