Standard Specification for
Steel Bars, Carbon, Quenched and Tempered1
This standard is issued under the fixed designation A 321; 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 321 – 90 (Reapproved 2001) pdf free
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click here to download Astm A 319 – 71 (Reapproved 2001) pdf free download