When brown rust spots (dot) appeared on the surface of stainless steel pipes, people were amazed: “Stainless steel is not rusted, rust is not stainless steel, and there may be problems with steel.” In fact, this is a one-sided misconception about the lack of understanding of stainless steel. Stainless steel will also rust under certain conditions.
Stainless steel has the ability to resist atmospheric oxidation – that is, stainless, and also has the ability to resist corrosion in a medium containing acid, alkali, or salt, that is, corrosion resistance. However, the magnitude of its corrosion resistance varies with the chemical composition of the steel itself, the state of addition, the conditions of use, and the type of environmental medium. For example, 304 steel pipe has absolutely excellent rust resistance in a dry and clean atmosphere, but it is moved to the coastal area, and it will soon rust in sea fog containing a lot of salt; while 316 steel pipe will perform. good. Therefore, it is not any kind of stainless steel, it can resist corrosion and rust in any environment.
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Post time: Oct-22-2018