Standard Speciﬁcation for Alloy-Steel and Stainless Steel Bolting Materials for HighTemperature Service1
This standard is issued below the ﬁxed designation a 193/a 193m; the number at once following the designation suggests the yr of unique adoption or, within the case of revision, the year of remaining revision. various in parentheses indicates the year of final reapproval. a superscript epsilon (e) indicates an article exchange for the reason that closing revision or reapproval.
This standard has been authorized for use by companies of the department of protection.
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