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topic 4667

Post treatment coating for Salt Bath Nitriding


Q. Hello, I'm a design engineer working on implementing Salt Bath Nitriding into some of our Zinc plating applications.

I need to know what are some of the post treatment coatings that can be applied? The nitriding process leaves surface porosity.

I have been told about Rust Veto, but are there others?


Elizabeth A. Neumane
- Orlando, Florida, USA

A. Hi Elizabeth. Have you investigated Kolene's Quench-Polish-Quench process whereby (as I understand it) an intermediate polishing step removes the porosity?

Ted Mooney,
Teds signature
Ted Mooney, P.E. RET
Pine Beach, New Jersey

September 15, 2014 -- this entry appended to this thread by editor in lieu of spawning a duplicative thread

Q. Hello sir. Give me a some idea for post oxidation process in liquid nitriding process, and tell me how to make this bath.
Please give me a reply.

Jaydeep Gosai
heat engineering works - Surat,Gujarat,India

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