Standard Specification for
Welded Copper and Copper-Alloy Heat Exchanger Tube1
This standard is issued under the fixed designation B 543; 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.
This standard has been approved for use by agencies of the Department of Defense.
click below Astm B 543 – 96 (Reapproved 2003) pdf free download
click here Astm B 542 – 04 pdf free download