Stainless Steel (Stainless Steel) is short for acid-proof Stainless Steel, resistant to weak corrosive medium such as air, steam, water, or with a Stainless Steel grade is called Stainless Steel;
Steel that is resistant to chemical corrosion (acid, alkali, salt, etc.) is called acid-resistant steel.
Due to the difference in chemical composition, their corrosion resistance is different. Ordinary stainless steel is generally not resistant to corrosion of chemical media, while acid-resistant steel is generally non-rust.
The term "stainless steel" does not simply refer to a kind of stainless steel, but refers to more than 100 kinds of industrial stainless steel, each of which has been developed with good performance in its specific application field.
The key to success is first to identify the purpose and then to determine the correct type of steel.
There are usually only six types of steel related to the application of building construction.
They all contain 17 to 22 percent chromium and good steel also contains nickel.
The addition of molybdenum can further improve the atmospheric corrosion, especially the corrosion resistance of the atmosphere containing chloride.
Stainless steel refers to steel that is resistant to corrosion of weak corrosive medium such as air, steam and water, and chemical corrosive medium such as acid, alkali and salt.
In practical application, steel resistant to corrosion of weak corrosive medium is often called stainless steel, while steel resistant to corrosion of chemical medium is called acid resistant steel.
Due to their differences in chemical composition, the former is not necessarily resistant to chemical medium corrosion, while the latter is generally non-rust.
Corrosion resistance of stainless steel depends on the alloy elements contained in the steel