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Zinc plating to code QQZ2325A

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Q. Zinc plating to code QQZ2325A? How old is this code and is there a equivalent later spec?

Raj Badwall
Atomic 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

Finishing.com honored Ken for his countless carefully researched responses. He passed away May 14, 2015.
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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