Alloy pipes 09CrCuSb(namely ND Steel)

 

Standard
Q/TDGG0039-2004--------Companies Standard

GB/150.2-2011            9948-2000


Purpose:

Widely used in power plants and refineries in the high-sulfur gasmanufacturing working economizer, air

Preheater, heat exchanger and evaporator to withstand corrosive sulfur gascondensation.


The main production steel grades:
09CrCuSb( NDSteel)

Mechanical properties:

Grade

Tensile strength (MPa)

Yield strength (MPa)

Elongation (%)

09CrCuSb

390-550

≥245

≥25

 

Chemical 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