
plating, anodizing, & finishing Q&As since 1989
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Zinc plating to code QQZ2325A

Q. Zinc plating to code QQZ2325A? How old is this code and is there a equivalent later spec?
Raj BadwallAtomic Energy of Canada - Toronto, Onrario, Canada
2003
A. Don't know the age of this spec., but its 2nd revision, QQ-Z-235C, was issued Aug. 18, 1976 and cancelled March 9, 1982. Referral was made to ASTM B633 [affil link] , "Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel". This does not cover electroplated sheet (see ASTM A591/A591M [affil link]) or wire (no ASTM spec. for electroplated, several for hot-dip galvanized).
Ken Vlach [deceased]- Goleta, California

Rest in peace, Ken. Thank you for your hard work which the finishing world, and we at finishing.com, continue to benefit from.
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