What kind of steel is stainless steel
What kind of steel is stainless steel?
Stainless steel is a kind of steel. Steel refers to steel which contains less than 2% carbon (C) and more than 2% iron. In the process of steel smelting, chromium (Cr), nickel (Ni), manganese (Mn), silicon (Si), titanium (Ti), molybdenum (Mo) and other alloying elements are added to improve the properties of steel, so that the steel has corrosion resistance (i.e. not rust) is what we often call stainless steel.
What is steel and iron, what are their characteristics and what are their relations? What are the origins of 304, 304L, 316 and 316L that we usually call them? What are the differences between them?
Steel: Material with iron as the main element and carbon content below 2%, and other elements. —— GB/T 13304-91 Steel Classification
Iron: A metallic element with atomic number 26. Iron materials have strong ferromagnetism, good plasticity and thermal conductivity.
Stainless steel: Weak corrosion resistant medium such as air, steam, water or stainless steel. The commonly used steel grades are 304, 304L, 316 and 316L, which are 300 series of austenitic stainless steel.
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