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.
Click below to get ASTM A 686 – 92 International standard
You can also get ASTM A 684 A 684M – 86 International standard