Understand that stainless steel is the abbreviation of stainless and acid resistant steel!
stainless steel is short for stainless and acid-resistant steel. Weak corrosive media such as air, steam and water or stainless steel is called stainless steel; And will be resistant to chemical corrosion medium (Chemical etching of acid, alkali, salt, etc)Corroded steel is called acid-resistant steel. Due to the difference in chemical composition between the two, their corrosion resistance is different. Ordinary stainless steel is generally not resistant to chemical medium corrosion, while acid-resistant steel is generally stainless.
The word 'stainless steel' refers not only to a kind of stainless steel, but also to more than one hundred kinds of industrial stainless steel, each stainless steel developed has good performance in its specific application field. The key to success is to find out the purpose and then determine the correct steel grade. There are usually only six kinds of steel related to the application field of building structures. They all contain 17 ~ 22% chromium, better steel also contains nickel. The addition of molybdenum can further improve atmospheric corrosivity, especially the corrosion resistance of chloride-containing atmosphere.
stainless steel refers to steel that is resistant to weak corrosive media such as air, steam and water and chemical corrosive media such as acid, alkali and salt, also known as Stainless and acid-resistant steel. In the practical application of stainless steel hollow spheres, steel resistant to weak corrosive medium corrosion is often called stainless steel, while steel resistant to chemical medium corrosion is called acid-resistant steel. Due to the difference in chemical composition between the two, the former is not necessarily resistant to chemical medium corrosion, while the latter is generally stainless. The corrosion resistance of stainless steel depends on the alloying elements contained in the steel.