Sulfur corrosion resistant special pipe 07Cr2AlMo

Standard
Q/TDGG0036-2003--------- Companies Standard


Purpose:

HS and Cl forstress corrosion environment dedicated seamless steel tubes for pressurevessels.


The main production steel grades:
07Cr2AlMo

Mechanicalproperties:

Grade

Tensile strength (MPa)

Yield strength (MPa)

Elongation (%)

07Cr2AlMo

380~530

≥220

≥25

 

Chemical composition:

Grade

C

Si

Mn

Cr

Al

Mo

P

S

07Cr2AlMo

0.05~0.09

0.17~0.37

0.20~0.50

2.00~2.50

0.30~0.70

0.30~0.40

≤0.025

≤0.015