What is stainless steel?

Stainless Steel (Stainless Steel) is short for Stainless acid-resistant Steel, air, steam, water and other weak corrosion medium or Stainless Steel called Stainless Steel; And the chemical corrosion resistance medium (acid, alkali, salt and other chemical etching) corrosion of steel called acid steel.

Due to the difference in the chemical composition of the two so that their corrosion resistance is different, ordinary stainless steel is generally not resistant to chemical medium corrosion, and acid resistant steel is generally rust. The term "stainless steel" does not simply refer to one type of stainless steel, but to more than one hundred industrial stainless steels, each of which has been developed with excellent performance in its particular application field. The key to success is first to understand the purpose, and then to determine the right kind of steel. There are usually only six types of steel that are relevant to the field of construction application. They all contain between 17 and 22 percent chromium, and the better grades also contain nickel. The addition of molybdenum can further improve the corrosion resistance of atmosphere, especially the corrosion resistance of atmosphere containing chloride.

Stainless steel refers to air, steam, water and other weak corrosive medium and acid, alkali, salt and other chemical corrosion medium corrosion of steel, also known as stainless acid steel. In practical application, the steel with weak corrosion resistance is often called stainless steel, and the steel with chemical corrosion resistance is called acid resistant steel. Due to the difference in chemical composition, the former is not necessarily resistant to chemical medium corrosion, while the latter is generally rust resistant. The corrosion resistance of stainless steel depends on alloying elements contained in the steel.

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