I've had them near, but not in, saltwater - in environments where other cheap coated/plated steel was fine - and they corroded within a few months. Yes, they may be fine, but I wouldn't count on it.
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Inconveniencing marine life since 1992
"It is my personal belief that reef aquaria should be thriving communities of biodiversity, representative of their wild counterparts, and not merely collections of pretty specimens growing on tidy clean rock shelves covered in purple coralline algae." (Eric Borneman)
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