Standard Specification for
Aluminum and Aluminum-Alloy Die Forgings, Hand
Forgings, and Rolled Ring Forgings [Metric]1
This widespread is issued beneath the constant designation b 247m; the variety immediately following the designation shows the 12 months of
original adoption or, in the case of revision, the 12 months of ultimate revision. a number of in parentheses suggests the yr of last reapproval. a
superscript epsilon (e) suggests an editorial alternate for the reason that final revision or reapproval.
This popular has been authorised for use by agencies of the branch of protection.
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