
HOME FAQs BOOKS JOBS: Help Wanted Suggestions you are here: Hotline/Forum => Letter 48053
Passivate stainless medical instruments before or after TiN coatings?
March 4, 2008Should we passivate before or after TiN coating on 17-4 ph stainless steel.
I beleiee we should passivate before but I'm not totally sure.
Thanks for your help.
- Mcmurray, Pennsylvania, USA
March 6, 2008
Passivation should be before, since TiN is very corrosion resistant by itself. It is quite thin, so it does not have an infinite corrosion resistance life.
James Watts- Navarre, Florida

