Standard Specification for
Steel Bars, Microalloy, Hot-Wrought, Special Quality, for
Subsequent Hot Forging1

This standard is issued under the fixed designation A 921/A 921M; 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.

Click below to download Astm A 921/A 921M – 93 (Reapproved 1999) Pdf free

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Click here to Astm A 920/A 920M – 02a Pdf Free Download