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SUS 201 stainless steel plate
SUS201 stainless steel , compared with sus304 stainless steel, corrosion-resistant performance greatly reduces . if it stays for a long time in the rain, rust will occur.
The disadvantage of this series of materials is that unbalance of 18% chromium and low nickel content forms ferrite. So in the 200 series stainless steel , chromium content decreases to 15% to 16%, in some cases, droppes to 13% to 14% ,it can instead sus304 stainless steel only in some cases.
Chemical Composition |
C % |
Si % |
Mn % |
P % |
S % |
Cr % |
Ni % |
N % |
≤ 0.15 |
≤ 0.75 |
5.5-7.5 |
≤0.06 |
≤0.03 |
16-18 |
3.5-5.5 |
≤0.25 |
|
Surface |
2B, BA, brushed, matte |
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Specification |
0.3-10mm |
200 series stainless steel generally contains low nickel content, whose corrosion resistance is far lower than 300 and 400 series. It is not easy to tell SUS201 from other high-nickel stainless steel with the naked eye.