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Plating stainless steel onto aluminum





2003

Hopefully this is a simple question for one with experience in the electroplating field. Is it possible to electroplate stainless steel onto an aluminum substrate?

Sally Almond
- Knoxville, Tennessee, USA



2003

No it's not possible to electroplate stainless steel onto anything, Sally. Please post your real-world situation. Thanks.

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey



First of three simultaneous responses -- 2003

It is possible to deposit SST on Al by vacuum deposition.

Mandar Sunthankar
- Fort Collins, Colorado



Second of three simultaneous responses -- 2003

Ted is right - you can't electroplate aluminium with stainless steel. Stainless steel is a complex mixture of different metals, alloys, carbides, phosphides and sulfides, just to mention a few things. However, some years ago (back in the 1980's) a quite reputable chemical supply house tried to sell an electroplating system they called "stainless steel". It was in fact a co-deposited mixture of iron, chromium and nickel and whilst it had the basic empirical formula as stainless steel, it did not behave like it. Caveat emptor!

trevor crichton
Trevor Crichton
R&D practical scientist
Chesham, Bucks, UK



Third of three simultaneous responses -- 2003

Dr. David Lashmore of NIST (then the Bureau of Standards) plated alternating angstroms-thick layers of nickel and chrome as a stainless-steel-like coating too. But it wasn't stainless steel and was a laboratory feat not a practical application.

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey


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