Astm A 250/A 250M – 04 Pdf free download

Standard Specification for
Electric-Resistance-Welded Ferritic Alloy-Steel Boiler and
Superheater Tubes1

This standard is issued under the fixed designation A 250/A 250M; 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.