Material difference between 201 and 304 stainless steel

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Update time : 2020-01-09 11:22:37
1. Difference of main alloy element content.
Chemical composition of 201 stainless steel:


Chemical composition of 304 stainless steel:

The density of both is 7.93g/cm3.


2. The domestic brand difference in China.
201 stainless steel brand: 1Cr17Mn6Ni5N.
304 stainless steel brand: 06cr19ni10 (or 0Cr18Ni9.

 

3. Performance difference.
Because of the difference of chromium and nickel content and carbon content, 304 stainless steel pipe is softer than 201 stainless steel pipe, and 304 stainless steel has better corrosion resistance.

 

4. The difference in the application scope.
201 is mainly used in dry areas and decoration areas with poor quality requirements. 304 stainless steel can be used in bathrooms, kitchens and coastal humid areas.

 

5. Plating color difference.
The effect of vacuum plating is better than that of water plating, but both methods will remove the protective film of stainless steel first. If plating color stainless steel pipe is needed, 304 stainless steel pipe is recommended
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