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Aluminum cathodes for anodizing




What is the best alloy of aluminum to use for cathodes in an anodizing tank(sulfuric acid).

Vick Corso
fabtricators - Slidell, Louisiana, U.S.
2003


6063 T6. For more info see letter 1177.

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
Ted is available for instant help
or longer-term assistance.
2003


The alloy of choice is 6063t6. It is the most durable Aluminum alloy for sulfuric acid anodizing baths,both type II and III hard coat. We have system using this alloy in the field for over 2 1/2 years with minimal material loss even without cathode protection. Although there is some difference of opinion on the matter we prefer the flexibility of bolted connections. Attend the talk at Sur/Fin on equipment updates in anodizing in Milwaukee in June.

Drew Nosti CEF
Member AESF Light Metal Committee
Member AAC Hard Coat Committee

drew nosti
Drew Nosti, CEF
Anodize USA
supporting advertiser
Ladson, South Carolina
anodizeusa1
2003




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