Specifications

1.For seawater and wet atmospheric stress corrosionenvironment dedicated seamless steel tubes for pressure vessels.
2.low price

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