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Cause stainless steel mesh chain rust reason analysis

Apr 11, 2019

Stainless steel net chain is formed on the surface of a layer of thin and firm rich chromium oxide film (protective film), prevent oxygen to infiltration, continue to oxidation, and obtain the corrosion resistant ability, once you have some reason, this film has been constantly destruction, in the air or liquid oxygen atoms will constantly infiltration or metal iron ion separation out unceasingly, forming loose iron oxide, corrosion of metal surfaces are under constant, this kind of surface membrane damage in the form of many, see more in daily life has the following kinds:

1, stainless steel mesh chain surface deposit contains other metal elements of dust or other metal particles attached to the object, in the humid air, the attachment and the condensates between the stainless steel, the two connected into a micro battery, caused the electrochemical reaction, the protective film was damaged, known as electrochemical corrosion

2, stainless steel mesh chain surface adhesion organic material liquid (such as melon and vegetable, noodle soup, phlegm, etc.), in the case of water oxygen, constitute organic acid, long-term organic acid on the metal surface corrosion

3, stainless steel mesh chain surface adhesion contains acid, alkali, salt substances (such as decoration of the wall of alkali, limestone spray), causing local corrosion

4, stainless steel mesh chain in the air pollution (such as containing a large number of sulfide, carbon oxide, nitrogen oxide atmosphere), in condensed water, forming sulfuric acid, acetic acid liquid point, cause chemical corrosion

5, stainless steel mesh chain steel friction, wire brush and metal debris and other friction stainless steel parts surface, resulting in surface wear

6, stainless steel mesh chain exists in water, food, salt bleach, one of the worst from the household and industrial cleaners, will also cause stainless steel mesh chain surface damage