Standard Specification for
Seamless and Electric-Welded Low-Alloy Steel Tubes1
This standard is issued under the fixed designation A 423/A 423M; 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 A 423/A 423M – 95 (Reapproved 2000) pdf free
Click here to download Astm A 421/A 421M – 02 Pdf Free Download