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ted_yosem
Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
finishing.com -- The Home Page of the Finishing Industry


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Chipped Nickel Plate on Stainless Steel




I recently had some 15-5PH stainless steel parts NIckel Plated per AMS2404, Class 1 and had most of the plating chipping off. Are there any special concerns for plating this type of stainless or would there just be a suspected cleanliness issue here?

DArryl Nicolay
Eng. Manager/Aerospace - Chicago, Illinois
2004


I have never plated it, but do not see it presenting any particular problem if the correct plating cycle is followed. Sounds like they did not use a strike, or used a poor one or let the strike passivate before they got it in the nickel tank. Of course, this is all a guess as the plating cycle that was actually used was not given, or the tank analysis or the time between tanks or having the part to examine.

James Watts
- Navarre, Florida
2004



You do not say how you clean parts and this definitely could be the case, but it also could be problems with activation.

Dina Borysenko
Electrochemical Products Inc.
supporting advertiser
New Berlin, Wisconsin

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2004


The parts were cleaned in an aqueous bath and baked prior to plating. The plating did not appear chipped immediately. The hardware had been through further stages of assembly before exhibiting the plating issues.

Darryl Nicolay
- Chicago
2004


Just to agree with what was posted above you need a nickel strike to plate on stainless steel prior to you bright nickel plate.

Jason Deible
Plating - Grand Rapids, Michigan, USA
2004



I am trying to find the latest procedure for plating stainless, and cannot find a recipe for a strike. The stainless I am trying to plate is of a low grade (magnetic).

Thanks,

Keith Borgnet
Electroplating - Alice Springs, NT, Australia.
2004



2004

I know you want the latest, Keith, but it really hasn't changed in 30 years or more. A Wood's Nickel Strike is what you probably need. The formula is on this site in response to many letters, and is in all the plating textbooks. It's just nickel chloride and a lot of HCl.

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



SeeASTM B254 Standard Practice for Preparation of and Electroplating on Stainless Steel. It gives cleaning, descaling, activation and strike plating solutions and procedures.

Ken Vlach [deceased]
- Goleta, California

contributor of the year 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.

2004




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