Standard Guide for
Preparation of Zinc Alloy Die Castings for Electroplating
and Conversion Coatings1
This fashionable is issued below the fixed designation b 252; the number right away following the designation indicates the year of
original adoption or, in the case of revision, the 12 months of remaining revision. a range of in parentheses indicates the 12 months of last reapproval. a
superscript epsilon (e) suggests an editorial alternate since the ultimate revision or reapproval
click below to download Astm B 252 – 92 (Reapproved 2004) pdf free
click here to download Astm B 251M – 97 (Reapproved 2003) pdf free