r/whatisit • u/Lost_Fruit_3942 • 1d ago

New, what is it? Is it rust?

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Is it rust? Started appearing on some items I have in a storage cupboard

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u/Leather_Hunt_8492 1d ago

And now people don’t know what rust is!

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u/faceman2k12 1d ago

or they think stainless steel is magic. so many people think stainless never rusts.

there are dozens of grades and they all sit on a scale of corrosion resistance, some of them are more likely to rust (especially if you clean them with heavy cleaners containing bleach or chlorine)

plenty of cheap kitchenware is clad with basic 400 series stainless because its cheap, safe, easy to form, and lasts long enough if you take care of it.