Standard Speciﬁcation for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service1
This fashionable is issued under the ﬁxed designation a 268/a 268m; the variety straight away following the designation indicates the yr of unique adoption or, in the case of revision, the 12 months of closing revision. a range of in parentheses shows the 12 months of final reapproval. a superscript epsilon (e) shows an editorial exchange since the final revision or reapproval.
This fashionable has been accepted to be used through corporations of the department of protection.
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