Standard Guide for
Measurement of Thin Chromium Coatings by Spot Test1
This standard is issued under the fixed designation B 556; 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 Astm B 556 – 90 (Reapproved 2002) pdf free download