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P11 steel pipe

P11 alloy steel pipe is mainly used in power plants, nuclear power, High pressure boiler, High pressures such as high temperature superheaters and reheaters. On hot pipes and equipment, It uses high-quality carbon steel, Made of alloy structural steel and stainless heat-resistant steel,
Hot rolled (extruded, expanded) or cold rolled (drawn).


Outside diameter: 1/2''--36''

Thickness: Sch5--Sch XXS

Length: 0.5m-12m (custom made if length over 12m)


Chemical Compositions:                                                                                                                                                                                                  

ASTM A335
Low-Alloy Steel
(Grades)

UNS
equivalent

C≤

Mn

P≤

S≤

Si≤

Cr

Mo

P11

K11597

0.05~0.15

0.30~0.61

0.025

0.025

0.50~1.00

1.00~1.50

0.44~0.65







MECHANICAL PROPERTIES



Hardness

 

A335 Low-Alloy Pipe

UNS Number

Yield Strength ksi(MPa)

Tensile Strength ksi(MPa)

Elongation %

Rockwell

Brinell

P11

K11597

30(205)

60(415)

20


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