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310S stainless steel plate rust causes

When brown spots appeared on the surface of the stainless steel plate, it was surprisingly found that the stainless steel introduced by the 310S stainless steel plate manufacturer would not rust, and the rust would not be stainless steel, which may be a steel problem.
In fact, this is a one-sided misunderstanding of the lack of stainless steel. Stainless steel will also rust under certain conditions.
The stainless steel plate has the ability to resist atmospheric oxidation, that is, it does not rust, and also has the ability to resist corrosion in a medium containing an acid-base salt, that is, corrosion resistance.
However, the magnitude of its corrosion resistance varies with the chemical composition of its steel itself, the state of use of each other, and the type of environmental medium. For example, in 304, in a dry and clean atmosphere, it has absolutely excellent corrosion resistance, but it is moved to the seaside area.
In sea fog with a lot of salt, it will soon rust, while stainless steel will perform well. Therefore, not any kind of stainless steel can resist corrosion and rust at any time.
The 310S stainless steel plate manufacturer has a very thin, strong and compact chromium-rich oxide film (protective film) on its surface.
Prevent oxygen atoms from continuing to penetrate and continue to oxidize and resist corrosion. Once the film is destroyed for some reason, the oxygen atoms in the air or liquid will continue to separate, forming loose iron oxide, and the metal surface will continue to corrode.

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