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Letter 9048
Finish for a sculpture near the
ocean?
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What would you recommend as a finish for a 316 stainless exterior
sculpture or gates that have been laser cut and welded. The surface
has been abraded for decorative texture and the location is within
200 feet of the ocean. Is passivation enough? Is there some type of
periodic maintenance that is recommended?
Marsh Scott
art studio - Laguna Beach, CA
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Marsh:
316ss is one of the best grades to use for this application.
However, you can still get rusting on the surface upon continued
exposure to the salt spray from ocean, especially in any weld areas.
I have not seen any coatings that you can put on it that will not
cause more problems than it resolves (peeling, discoloration, etc.).
Someone else may have an idea, however.
We have a number of customers who periodically remove any rust and
discoloration and repassivate the surface with our products to bring
back the original appearance. There are citric acid based products
that are safe and easy to use for this process.
Regards,
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