ASME SA335 P11 Alloy Steel Boiler Tube for High Temperature Services
ASME SA335 P11 Alloy Steel Boiler Tube for High Temperature Services
ASME SA335 P11 Alloy Steel Boiler Tube for High Temperature Services
Model
P11

Item specifics

Delivery Condition
Full Annealed or Normailzed and Tempered
Surface Conditon
Mill Lacquered,Bare

Review

Description

Quality Standard:

ASME SA335 SPECIFICATION FOR SEAMLESS FERRITIC ALLOY STEEL PIPE FOR HIGH TEMPERATURE

Steel Grade:

P1 boiler tube for boiler replacement and repair

P5 boiler tube for petroleum

P9 boiler tube for petroleum

P11 boiler tube for power generation, petroleum, and other high temperature services

P22 boiler tube for power generation, petroleum, and other high temperature services

P91 boiler tube for power generation

Chemical Composition(%):

Steel Grade

C

Si

Mn

P

S

Cr

Mo

Others

P1

0.10-0.20

0.10-0.50

0.30-0.80

0.025 max

0.025 max

-

0.44-0.65

-

P2

0.10-0.20

0.10-0.50

0.30-0.61

0.025 max

0.025 max

0.50-0.81

0.44-0.65

-

P5

0.15 max

0.50 max

0.30-0.60

0.025 max

0.025 max

4.00-6.00

0.44-0.65

-

P5b

0.15 max

1.00-2.00

0.30-0.60

0.025 max

0.025 max

4.00-6.00

0.44-0.65

-

P5c

0.12 max

0.50 max

0.30-0.60

0.025 max

0.025 max

4.00-6.00

0.44-0.65

-

P9

0.15 max

0.25-1.00

0.30-0.60

0.025 max

0.025 max

8.00-10.00

0.90-1.10

-

P11

0.05-0.15

0.50-1.00

0.30-0.60

0.025 max

0.025 max

1.00-1.50

0.44-0.65

-

P12

0.05-0.15

0.50 max

0.30-0.61

0.025 max

0.025 max

0.80-1.25

0.44-0.65

-

P15

0.05-0.15

1.15-1.65

0.30-0.60

0.025 max

0.025 max

-

0.44-0.65

-

P21

0.05-0.15

0.50 max

0.30-0.60

0.025 max

0.025 max

2.65-3.35

0.80-1.06

-

P22

0.05-0.15

0.50 max

0.30-0.60

0.025 max

0.025 max

1.90-2.60

0.87-1.13

-

P91

0.08-0.12

0.20-0.50

0.30-0.60

0.020 max

0.010 max

8.00-9.50

0.85-1.05

V:0.18-0.25 N:0.03-0.07 Ni:0.4max Al:0.04max Cb:0.06-0.10

P92

0.07-0.13

0.50 max

0.30-0.60

0.020 max

0.010 max

8.50-9.50

0.30-0.60

V:0.15-0.25 N:0.03-0.07 Ni:0.4max Al:0.04 Cb:0.04-0.09 W:1.5-2.0 B:0.001-0.006

Mechanical Properties:

Steel Grade

Tensile Strength

Yield Strength

Elongation %

Hardness(HB)

ksi

MPa

ksi

MPa

Longitudinal

Transverse

P1

55

380

30

205

30

20

-

P2

55

380

30

205

30

20

-

P5

60

415

30

205

30

20

-

P5b

60

415

30

205

30

20

-

P5c

60

415

30

205

30

20

-

P9

60

415

30

205

30

20

-

P11

60

415

30

205

30

20

-

P12

60

415

32

220

30

20

-

P15

60

415

30

205

30

20

-

P21

60

415

30

205

30

20

-

P22

60

415

30

205

30

20

-

P23

74

510

58

400

20

-

-

P91

85

585

60

415

20

-

≤250

P92

90

620

64

440

20

-

≤250

P122

90

620

58

400

20

-

≤250

P911

90

620

64

400

20

-

-

*All values are minimum unless otherwise specified.                                                                                                                  *The specimen for elongation test shall be in the gauge length of 2 inches or 50 mm(or 4D).

Size Range: 

Outer Diameter: 1/8″-48″

Wall Thickness Schedule: 20, 30, 40, Standard (STD), Extra Heavy (XH), 80, 100, 120, 140, 160, XXH

 

Lengths:

Fixed length within the random lengths range

Tolerances on fixed lengths: +10/-0mm, for boiler tube and +50/-0mm for header pipe.

Maximum length up to 24mtr

 

Surface Conditions:

Mill Lacquered

Bare

 

End Finishes:

Beveled

Square

Threaded

Threaded and Coupled

Grooved

 

Mill Test Certificates:

Product are supplied with 3.1 test certificates, acc. To EN10204

Certificate acc. T 3.2 can be agreed at the time of ordering.