Standard Speciﬁcation for Welded Copper and Copper-Alloy Heat Exchanger Tube1
This preferred is issued under the ﬁxed designation b 543; the variety right away following the designation suggests the year of authentic adoption or, inside the case of revision, the year of last revision. Various in parentheses indicates the yr of remaining reapproval. A superscript epsilon (e) shows an article alternate because the closing revision or reapproval.
This trendy has been approved to be used with the aid of groups of the branch of defense.
Click below to get ASTM B 543 – 96 International standard
You can also get ASTM B 542 – 04 International standard