Standard Speciﬁcation for Pressure Vessel Plates, Alloy Steel, Manganese-VanadiumNickel1
This fashionable is issued under the ﬁxed designation a 225/a 225m; the number right now following the designation shows the 12 months of authentic adoption or, in the case of revision, the year of final revision. various in parentheses indicates the 12 months of last reapproval. a superscript epsilon (e) suggests an article alternate since the final revision or reapproval.
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