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Kitchen Sink Of 304,201,202 Stainless Steel

2022-08-29 11:10:15

A lot of people know that 304 stainless steel product is more suitable for domestic kitchen application. The corresponding 201 or 202 materials are much less resistant to corrosion and rust than 304.

There are 304, 201, 202 stainless steel products on the market, and even stainless iron products. It's a mixed bag. So it's important to figure out how to label each material.

304 as a common material, the normal label and the only label is SUS304, 201 material’s label is SUS201. On the market 201 material is much cheaper than 304 material, which causing many dealers pretend 201 material sinks as 304 material sinks to sell. Generally, they will print a mark of DUS304 or SVS304 on the sink, which is not normal.

The method of testing stainless steel is very simple and direct. Clear a small place In the back of the sink, drop of the test potion, wait about 10 minutes, what material is clear at a glance.

The table below is the difference in chemical composition of the three stainless steel materials of 201,202,304, which is also the reason why the corrosion resistance and rust resistance of 304 are better than that of 201,202.

 

Type

Carbon(C)

Manganese(Mn)

Phosphorus(P)

Silicon(Si)

Chromium(Cr)

Nickel(Ni)

201

≤0.15%

5.5%-7.5%

≤0.06%

≤0.75%

16.0~18.0

3.5%~5.5%

202

≤0.15%

≤7.5%-10.0%

≤0.06%

≤1.0%

17%-19%

4%~6%

304

≤0.08%

≤2.0%

≤0.045%

≤1.0%

18.0%-20.0%

8%~11%


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