Seawater corrosion resistant special pipe 09CrMoAl

 

Standard:
Q/TDGG0037-2003--------- Companies Standard


Purpose:

For seawater and wet atmospheric stress corrosionenvironment dedicated seamless steel tubes for pressure vessels.


The main productionsteel grades:
09CrMoAl

Mechanical properties:

Grade

Tensile strength (MPa)

Yield strength (MPa)

Elongation (%)

09CrMoAl

380~530

≥220

≥25.0

 

Chemicalcomposition:

Grade

C

Si

Mn

Cr

Al

Mo

P

S

09CrMoAl

0.06~0.10

0.20~0.50

0.30~0.50

0.80~1.20

0.40~0.80

0.25~0.35

≤0.025

≤0.015