09CrCuSb sulfuric acid corrosion resistant steel
09CrCuSb steel, also called ND steel, is the ideal steel for "sulphuric acid low temperature dew point corrosion resistance" at home and abroad. ND steel is widely used in the manufacture of economizers, air preheaters, heat exchangers and evaporators that serve in high-sulfur flue gas. equipment.
09CrCuSb steel mechanical properties
Grade |
Tensile strength (Mpa) |
Yield strength (Mpa) |
Elongation(%) |
|
09CrCuSb |
390-550 |
≥245 |
≥25 |
Steel composition
Grade |
C |
Si |
Mn |
Cr |
Cu |
Sb |
P |
S |
|
09CrCusb |
≤0.10 |
0.20-0.40 |
0.35-0.65 |
0.70-1.20 |
0.25-0.45 |
≤0.10 |
≤0.10 |
≤0.10 |
09CrCuSb and Corten steel comparison
Grades |
09CrCuSb |
CRIR |
1Cr18Ni9 |
Corten |
S-TEN |
|
|
Corrosion rate |
7.30 |
13.40 |
21.70 |
63.00 |
27.4 |
103.50 |
|
multiple |
1 |
1.84 |
2.97 |
8.63 |
3.75 |
14.11 |
09CrCuSb steel is widely used in power plants and refineries to manufacture economizers, air preheaters, heat exchangers and evaporators that work in high-sulfur flue gas to resist condensation and corrosion of sulfur-containing flue gas.
If you are interested in sulfuric acid corrosion resistant steel or weathering steel plates and coils, welcome to contact us.
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