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Location: Anacortes PNW
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Re: Galley counter top material
I think lower grade SS can become magnetic, based on how its molded, but I don't think you can rely on a magnet to assure you it is 316.
I know you said, "odds are", but can't really say you would know what odds you were working with.
Actually "odds are" was a manner of speech. It's the iron that rusts in lesser alloys of stainless and it's the iron that the magnet reacts to. No magnetism, no iron, no rust.
It's actually a very good test, probably better even then trusting a chandlary that says it's 316. Got this trick from a Pardey book and confirmed it once with a friend who has a masters in metallurgy.
I have a sauna on my boat, therefore I win.
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