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Low-alloy 09CrCuSb Tubes

Low-alloy 09CrCuSb Tubes

09CrCuSb
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Application:

widely used in the manufacture of economizer, air preheater, heat exchanger, and evaporator in the service of high sulfur flue gas equipment, used to resist the dew point corrosion of sulfur flue gas. 09CrCuSb Seamless Tubes also have the ability of chloride ion corrosion resistance. 09CrCuSb Tubes from China are used in power plants and refineries to manufacture coal economizers, air preheaters, heat exchangers, and evaporators, which work in the high sulfur flue gas to resist condensation corrosion of sulfur flue gas. It is the ideal steel for low-temperature dew point corrosion resistance of sulfuric acid at home and abroad. Low-alloy 09CrCuSb Tubes are also widely used.

Implementation standards:

GB/T150.2-2021

The main production grades of steel pipes are as follows:

09CrCuSb (i.e. ND steel)

09CrCuSb Chemical Composition:

09CrCuSb Chemical Composition (%)

C

Si

Mn

P

S

Cr

Cu

Sb

≤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

09CrCuSb Tubes Mechanical Property:

09CrCuSb Tubes Mechanical properties At RT (EN ISO 6892-1)

Tensile

Yield

Elongation

Corrosion resistance rate

Strength Rm (MPa)

Strength ReL (MPa)

A (%)

mg/cm².h

390-550

≥245

≥25

7.4

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