Stainless steel 201 is different from 304

 

stainless steel

1, specification: commonly used stainless steel plate is divided into 201 and 304 two models, the actual composition is different,
304 is better in quality, but more expensive, 201 is worse.
304 is imported stainless steel plate,201 is domestic stainless steel plate.

2, 201 is a section of Ni steel, 301 steel replacement.
Magnetic after cold processing, used in railway vehicles.
304 is the most widely used stainless steel, heat resistant steel.
Used in food production equipment, general chemical equipment, nuclear energy and so on.

4, 201 is high manganese, the surface is very bright with dark bright, high manganese easy to rust.
304 contains more chromium, the surface appears matte, not rust, two put together there is a comparison.
The most important is the corrosion resistance is different, 201 corrosion resistance is very poor, so the price will be much cheaper.
Since 201 contains less nickel, the price is lower than 304, so the corrosion resistance is not as good as 304.

The difference between 201 and 304 is nickel.
And the price of 304 is relatively expensive now, generally close to 50,000 a ton, but 304 at least can ensure that the process of use will not rust.
(experiment can be done with potions)
6, stainless steel is not easy to rust because the surface of the steel body formed rich chromium oxide can protect the steel body, 201 material belongs to high manganese stainless steel, compared to 304 hardness, high carbon and low nickel.

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Post time: Nov-22-2019
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