ASTM A335 ASME SA335 P1 P2 P5 P9 P11 P12 P22 P91 P92 Material Alloy Steel Pipe Tube for chemical industry

Description: Seamless Ferritic Alloys-steel Pipe For High-Temperature Service. Standard: ASTM A335/ ASME SA335. Applications: high temperature services in boilers, superheaters and heat exchangers etc. Available steel grades: P1 P2 P5 P9 P11 P12 P22 P91 P92. Specifications: O.D.: 6.0∼1200mm;...
Product description

ASTM A335 ASME SA335 P1 P2 P5 P9 P11 P12 P22 P91 P92 Material  Alloy Steel Pipe Tube  for chemical industry

Description: Seamless Ferritic Alloys-steel Pipe For High-Temperature Service.

Standard: ASTM A335/ ASME SA335.

Applications: high temperature services in boilers, superheaters and heat exchangers etc.

Available steel grades: P1 P2 P5 P9 P11 P12 P22 P91 P92.

Specifications: O.D.: 6.0∼1200mm; W.T.: 1∼150mm; L: 5.8m; 11.8m; 12m or above. Modified specifications according to customer requirements.

Technology: Hot Rolled, Cold Drawn.

Chemical Composition:

Standard

Steel Code

Chemical Component(%)

C

Si

Mn

P

S

Cr

Mo

Cu

Ni

V

Al

W

NbN

ASME   

SA335

SA335   P11

0.05∼

0.50∼

0.30∼

≤0.030

1

0.5














0.15

1

0.6

0.03

∼1.50∼1.00

SA335   P12

0.05∼

≤0.50

0.30∼

≤0.030

0.8

0.44











0.15

0.61

0.03∼1.25∼0.65

SA335   P22

0.05∼

≤0.50

0.30∼

≤0.030

1.9

0.87












0.15

0.6

0.03


∼2.60∼1.13

SA335   P5

≤0.15

≤0.50

0.30∼

≤0.030

4.00/

0.45/










0.60.0360.65

SA335   P91

0.08∼

0.20∼

0.30∼

≤0.010

8

0.85

0.18∼


0.06∼

0.03∼











0.12

0.5

0.6

0.02

∼9.50

∼1.05

0.4

0.250.0150.10.07

SA335   P92

0.07∼

≤0.50

0.30∼

≤0.010

8.5

0.3

B0.001 

  0.006

0.15∼

1.50∼

0.04∼

0.03∼











0.13

0.6

0.02

∼9.50

∼0.60

0.4

0.250.01520.090.07


Mechanical Properties:

Standard

Steel Code

Tensile Strength (MPa)

Yield Strength (MPa)

Elongation   Percentage(%)

Impact Power(J)

Rigidity

ASME   SA335

SA335   P11

≥415

≥205

≥22

≥35

≤163HB

SA335   P12

≥415

≥220

≥22

≥35

≤163HB

SA335   P22

≥415

≥205

≥22

≥35

≤163HB

SA335   P5

≥415

≥205

≥22

≥35

≤187HB

SA335   P91

585∼760

≥415

≥20

≥35

≤250HB

SA335   P92

≥620

≥440

≥20

≥35

≤250HB


Dimension Tolerances:

Type of Steel Pipes

OD(D)

WT(S)

Cold   Drawn Steel Pipe

OD(mm)

Tolerance(mm)

Wall   Thickness(mm)

Tolerance (mm)

>30∼50

±0.3

>3∼20

±10%

>114∼159

±0.8%

≤30

±10%

>159∼219

±1.0%

Hot   Rolled Steel Pipe

>219∼457

±1.0%

≤20

+10%,-12.5%

>20∼40+10%,-10%
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