Standard Speciﬁcation for Steel, Sheet and Strip, Alloy, Hot-Rolled, and Cold-Rolled, General Requirements for1

This popular is issued below the ﬁxed designation a 505; the wide variety at once following the designation indicates the 12 months of authentic adoption or, within the case of revision, the year of remaining revision. Quite a number in parentheses shows the 12 months of ultimate reapproval. A superscript epsilon (e) indicates an article trade because of the ultimate revision or reapproval.
This preferred has been approved to be used by corporations of the department of protection.