Astm A 409/A 409M – 01 pdf free download

Standard Specification for
Welded Large Diameter Austenitic Steel Pipe for Corrosive
or High-Temperature Service1

This standard is issued under the fixed designation A 409/A 409M; 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.