Stainless steel wire mesh in which case easy to rust?
Stainless steel wire mesh is formed by its surface of an extremely thin and strong thin layer of stable chrome oxide film (protective film), to prevent oxygen atoms continue to infiltrate, continue to oxidize, and gain the ability to resist rust.If, for some reason, the film is constantly damaged, oxygen atoms in the air or liquid infiltrate, or iron atoms in the metal are constantly separated out to form loose ferric oxide and the metal surface is constantly corroded.This kind of surface film is damaged in many forms, which are commonly seen in daily life:
1. There is dust or exotic metal particles on the surface of stainless steel. In humid air, the condensed water between the particles and stainless steel connects them into a micro battery, which triggers an electrochemical reaction.
2. The stainless steel surface adheres to organic juice (such as melon, noodle soup, sputum, etc.), which constitutes organic acid in the presence of water and oxygen, and corrodes the metal surface with organic acid for a long time.
3. The adhesion of stainless steel surface contains acid, alkali and salt substances (such as alkaline water and limestone water spatter in the decoration wall), causing local corrosion.
4. In polluted air (such as atmosphere containing a large amount of sulfide, carbon dioxide and nitrogen oxides), condensate water forms sulfuric acid, nitric acid and acetic acid liquid points, causing chemical corrosion.
All of the above conditions can cause damage of the protective film on the surface of stainless steel leading to corrosion.
Suggestions to ensure a permanent bright metal surface from rust:
1. The surface of decorative stainless steel must be cleaned and scrubbed frequently to remove attachments and remove external factors causing modification.
2. 316 stainless steel should be used in the coastal area. 316 is resistant to seawater corrosion.
3. Some of the chemical components of stainless steel tubes in the market cannot meet the corresponding national standards and cannot reach the material requirements of 304.So can also cause rust, which requires users to choose reputable manufacturer product carefully.
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