Standard Specification for
Steel Rivets and Bars for Rivets, Pressure Vessels1
This standard is issued under the fixed designation A 31; the number immediately following the designation indicates the year of original
adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript
epsilon (e) indicates an editorial change since the last revision or reapproval
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