Standard Speciﬁcation for Gold-Silver-Platinum Electrical Contact Alloy
This general is issued underneath the ﬁxed designation b 522; the range without delay following the designation indicates the 12 months of unique adoption or, within the case of revision, the year of last revision. A number in parentheses shows the 12 months of remaining reapproval. A superscript epsilon (e) indicates an editorial exchange for the reason that closing revision or reapproval.
This general has been permitted for use by corporations of the branch of defense.
Click below to get ASTM B 522 – 01 International standard
You can also get ASTM B 521 – 98 International standard