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Sulfuric-acid Dew Point Corrosion-resistant Steel
Grade: 09CrCuSb(ND Steel), S-TEN 1, S-TEN 2, etc.
Sulfuric-acid Dew Point Corrosion-resistant Steel is a corrosion resistant steel for sulfuric acid and hydrochloric acid dew-point corrosion-resistant steel, it has been widely used in flue gas treating equipment such as air preheaters, smoke stacks and ducts as a countermeasure for low temperature corrosion caused by sulfur oxides.
The steel also shows excellent corrosion resistance to the corrosion problem at waste incineration facilities, where hydrochloric acid dew corrosion resulting from lower-temperature waste gas, is anticipated.
Specifications of Sulfuric-acid Dew Point Corrosion-resistant Steel:
Thickness: 0.5~20.0mm
Width: 50~1000~2000mm
Length: According to request.
Grade: 09CrCuSb(ND Steel), S-TEN 1, S-TEN 2, etc.
Chemical Compostions:
|
Grade |
Chemical Composition（%） |
|||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Cu |
Sb |
|
|
09CrCuSb |
≤0.12 |
0.20~0.40 |
0.35~0.65 |
≤0.030 |
≤0.020 |
0.70~1.10 |
0.25~0.45 |
0.04~0.10 |
|
Grade |
Tensile Strength (Mpa) |
Yeilding Strength (Mpa) |
Elongation (%) |
|
09CrCuSb |
390-550 |
≥245 |
≥25 |
Mechanical Properties:
|
Grade |
Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Elongation (%) |
|
09CrCuSb |
390-550 |
≥245 |
≥25 |
|
S-TEN 1 |
≥400 |
≥235 |
≥23 |
|
S-TEN 2 |
≥440 |
≥325 |
≥22 |
Compared with other steel:
|
Grade |
09CrCuSb |
CRIR |
1Cr18Ni9 |
Corten |
S-TEN |
A36 |
|
(Japan) |
(Japan） |
|||||
|
Rate of Corrosion |
7.3 |
13.4 |
21.7 |
63 |
27.4 |
103.5 |
|
Times |
1 |
1.84 |
2.97 |
8.63 |
3.75 |
14.11 |
Features of Sulfuric-acid Dew Point Corrosion-resistant Steel:
1. It has strength, workability and weldability that are comparable to ordinary steel.
2.It is more economical than stainless steel.
Applications of Sulfuric-acid Dew Point Corrosion-resistant Steel:
Flue gas treating equipment such as preheaters, smoke stacks as a countermeasure for low temperature corrosion caused by sulfur oxides, waste incineration plants, waste melting furnaces, fin tube, tubes for air fin cooler, etc.
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