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The Effect of Various Elements on the Stainless Steel


The effect of various elements on the properties and microstructure of stainless steel

The decisive role of chromium in stainless steel: there is only one element that determines the nature of stainless steel, which is chromium. Each stainless steel contains a certain amount of chromium. So far, there is no stainless steel without chromium. The fundamental reason why chromium has become the main element determining the properties of stainless steel is that after adding chromium as an alloy element to the steel, the contradictory movement inside the steel will develop to the aspect of corrosion resistance. This change can be explained from the following aspects: 

1) chromium increases the electrode potential of iron-based solid solution; 

2) chromium absorbs iron electrons and passivates iron

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