Standard Speciﬁcation for Nickel-Iron-Chromium Alloy Seamless Pipe and Tube1
This fashionable is issued below the ﬁxed designation b 407; the range immediately following the designation indicates the yr of original adoption or, inside the case of revision, the year of closing revision. A range of in parentheses indicates the yr of remaining reapproval. A superscript epsilon (e) indicates an editorial trade because the last revision or reapproval.
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you can also get ASTM B 406 – 96 International standard