ASTM A 686 – 92 International standard

Standard Specification for Tool Steel, Carbon1

This general is issued underneath the fixed designation a 686; the number immediately following the designation shows the 12 months of original adoption or, within the case of revision, the 12 months of closing revision. A variety of in parentheses suggests the 12 months of last reapproval. A superscript epsilon (e) shows an article exchange for the reason that final revision or reapproval.
This popularity has been approved for use by companies of the branch of defense.

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You can also get ASTM A 684 A 684M – 86 International standard

 

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