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


  -----

Hard chrome plating solution effect on cadmium plated part




December 31, 2009

My question is: can a steel part be flash hard chrome plated in one area and the adjacent area be cadmium plated. Should the part be be hard chromed or cadmium plated first or does it matter.

Steve Heller
Plating shop - Cincinnati, Ohio, USA


simultaneous replies January 5, 2010

The part will need to be masked either way, in all probability. Chrome plating solution will attack the cad far faster than the cyanide cad will attack the chrome, so I would try the chrome first. Either way, you need to go in HOT.
If your chrome tank is much above ambient temp, I would warm the part up in a hot rinse tank before going into the chrome IF you decide to try the cad first.

I do not like the term "flash hard chrome" as hard chrome needs some thickness much higher than a flash to serve a normal hard chrome function. I will buy using a hard chrome tank to put a chrome flash on a part. Probably semantics, but once it gets into print, it can be misinterpreted by someone.

James Watts
- Navarre, Florida


In my experience you would chrome plate first and then cadmium plate, probably with a very small overlap onto the chrome so that there is no exposed base metal.

Brian Terry
Aerospace - Yeovil, Somerset, UK
January 6, 2010

Steve,





(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"