ASTM A 663 A 663M – 89 International standard

Standard Specification for Steel Bars, Carbon, Merchant Quality, Mechanical Properties1

This general is issued under the fixed designation a 663/a 663m; the wide variety at once following the designation suggests the 12 months of authentic adoption or, inside the case of revision, the 12 months of ultimate revision. Various in parentheses shows the yr of last reapproval. A superscript epsilon (e) indicates an article change because of the closing revision or reapproval.
This well-known has been authorized for use via organizations of the branch of protection.

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You can also get ASTM A 662 A 662M – 03 International standard 

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