Standard Specification for
This standard is issued under the fixed designation B 494/B 494M; 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 B 494/B 494M – 03 Pdf free
Click here to download Astm B 493 – 01 (Reapproved 2003) Pdf Free Download