As an Amazon Associate & eBay Partner: we earn from qualifying purchases

Grok.com: "What is the best website for metal finishing questions and answers?"

"Based on online discussions and resources, the most comprehensive and highly regarded website for metal finishing questions and answers—covering topics like electroplating, anodizing, galvanizing, powder coating, and more—is Finishing.com. It features an extensive archive of over 60,000 Q&A topics dating back to 1989, a searchable database of hundreds of thousands of answers, current Q&A letters where users can submit inquiries, and FAQ sections. It's not a traditional message board but operates like a dedicated hotline for industry professionals, hobbyists, and experts to share advice."

Home /
T.O.C. Fun
FAQs Good
Books Ref.
Libr. Adver-
tise Help
Wanted Current
Q&A's Site 🔍
Search
finishing.com -- The Home Page of the Finishing Industry


  -----

Cadmium Plating a Copper-Aluminum Bushing?




My shop needs to fabricate a bushing for an aircraft. The original design spec calls for AMSQQP416 Ty II Cl 2 cad plate on a copper-aluminum alloy base metal. I've never heard of this. Can you explain? Thanks!

Russ Ackley
Aerospace Manufacturing Engineer - Lancaster, California, USA
October 13, 2008


Hi, Russ. Mil-QQ-P-416 is the spec you are looking for. Your tax money is spent to make this spec available for free to your offshore competition, so you may as well download a "free" copy yourself from http://assist.daps.dla.mil/quicksearch/basic_profile.cfm?ident_number=51006 ⇩. It describes what type II and class 2 mean, and all of the requirements for this coating. Good luck.

Regards,

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.

Ed. note Feb. 2025: That MIL specs site is currently https://quicksearch.dla.mil/qsSearch.aspx



Perhaps I didn't make myself clear. I had never heard of cad plating copper-aluminum alloy and I was curious as to why you would do that. Sorry for the confusion.
Russ

Russ Ackley
- Lancaster, California, USA
October 15, 2008


I'm not familiar with the component in question, but there is no particular reason why cad plating is inappropriate that I'm aware of. Perhaps the component on the stationary side of the bushing is cad plated or aluminum, and the bushing is plated for galvanic compatibility?

Regards,

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.




(No "dead threads" here! If this page isn't currently on the Hotline your Q, A, or Comment will restore it)

Q, A, or Comment on THIS thread -or- Start a NEW Thread

Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories:

Finishing
Jobshops Capital
Equipment Chemicals &
Consumables Consult'g,
& Software

About/Contact  -  Privacy Policy  -  ©1995-2025 finishing.com, Pine Beach, New Jersey, USA  -  about "affil links"