Why does stainless steel rust?
Jun 25,2023
The main reasons for stainless steel rusting are as follows:
Water and oxygen in the air: The oxidation reaction on the surface of stainless steel requires the participation of water and oxygen. Therefore, if the stainless steel surface comes into contact with water and oxygen, the oxidation reaction is prone to occur, leading to stainless steel rusting.
Chemical corrosion: The oxidation reaction on the surface of stainless steel is also affected by some chemical substances, such as acids, alkalis, salts, etc. These chemicals can react with oxides on the surface of stainless steel, causing it to rust.
The influence of temperature and humidity: The oxidation reaction of stainless steel is also related to temperature and humidity. The higher the temperature and humidity, the faster the stainless steel rusts.
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