Brush(?) passivation of martensite(1996)
I am looking for information on locally passivating areas of a 12% Cr martensitic stainless component - part was passivated, additional parts assembled and now areas that have been reworked will lose the passivated layer.
Sounds like a brush plating job to me. Plating companies can be found at our directory of plating and finishing shops.
Falls Township, Pennsylvania
November 15, 2008
Hi, Melissa. These days, with citric acid being an accepted passivation chemical, it sounds like you could simply wipe and rinse the required areas. Stainless steel piping systems are often field passivated, and perhaps a company like Astropak which specializes in on-site passivation, could explain how to passivate without immersion. Good luck.
Ted Mooney, P.E. RET
Pine Beach, New Jersey
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