09CrCuSb Steel Chemical Composition and Mechanical Properties

09CrCuSb steel is sulfuric acid resistant low-temperature dew point corrosion steel, usually used for heat exchange, smoke pipes, chimneys, etc. of electric furnaces.
Grade:09CrCuSb 
Standard: Q/BQB 340-2018
Delivery status: steel plates are delivered in hot rolled or controlled rolling conditions
Smelting method: the steel used for the steel plate is killed steel smelted by oxygen converter

09CrCuSb Chemical Composition


Grade

C

Si

Mn

P

S

Cr

Sb

Cu

09CrCuSb

≤0.12

0.20-0.40

0.35-0.65

≤0.030

≤0.020

0.70-1.10

0.04-0.10

0.25-0.45

09CrCuSb Mechanical Properties


Grade

Yield strength, MPa

Tensile strength, MPa

Elongation, A%

180°Bend test

09CrCuSb

≥245

390-550

≥25

D=2a

09CrCuSb steel can be used in coal-fired boilers, oil-fired boilers; heat exchange of electric furnaces, smoke pipes, chimneys, boiler air preheaters, heat exchangers, condensing coolers, evaporators and other purposes. 09CrCuSb steel can also be used with hot-rolled steel plates and steel pipes that are resistant to sulfuric acid dew point corrosion.