09CuPCrNiA weathering steel plate chemical composition and properties

09CuPCrNiA weathering steel plate is a kind of weathering steel (that is, atmospheric corrosion resistant steel). 09CuPCrNiA weathering steel plate is commonly used in sulfur-containing flue gas, air preheater, economizer, boiler air preheater, prevention of acid dew point, etc. Low-temperature weathering steel has relatively strong resistance to low-temperature corrosion.

09CuPCrNiA weathering steel plate is also a common low-alloy steel, and it is also steel for engineering structures. Generally used in outdoor equipment.
The chemical composition of 09CuPCrNiA weathering steel plate:
C≤0.12%
Si: 0.25%~0.75%
Mn: 0.2%~0.5%
P:0.07%~0.15%
S≤0.04%
Cu: 0.25%~0.55%
Cr0.30%~1.25%
Ni≤0.65%

Mechanical properties of 09CuPCrNiA weathering steel:
The yield point MPa is not less than 343.
The tensile strength MPa is not less than 480.
The elongation is not less than 22%.

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