PRODUCT

Seamless steel pipe SA335 P91

Seamless steel pipe SA335 P91

Seamless steel pipe SA335 P91

Seamless steel pipe SA335 P91
Name:
ASTM SA335 Alloy Steel Tubes

Size (mm): O.D.: 28-168; W.T.: 2∼30; L: max 12000

Seamless steel pipe SA335 P91

Name:
ASTM SA335 Alloy Steel Tubes

Size (mm): O.D.: 28-168; W.T.: 2∼30; L: max 12000

Description:
★ Standards: ASTM A335 (ASME SA335)
★ Applications: Wide applications for high temperature services in boilers, superheaters and heat exchangers etc.
★ Specifications: Diameter 320 to 127 mm; Thickness: 0.4 to 12.7 mm; Length: 6 m and above; and other specifications for different customers requirements.

Features Specifications:

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

 

Chemical Components:

Standard Steel Code Chemical Component(%)
C Si Mn P S Cr Mo Cu Ni V Al W Nb N
ASME SA335 SA335 P11

0.05∼

0.15

0.50∼

1.0

0.30∼

0.60

0.030

≤0.030

1.00

∼1.50

0.50

∼1.00

             
SA335 P12

0.05∼

0.15

≤0.50

0.30∼

0.61

0.030

≤0.030

0.80

∼1.25

0.44

∼0.65

             
SA335 P22

0.05∼

0.15

≤0.50

0.30∼

0.60

0.030

≤0.030

1.90

∼2.60

0.87

∼1.13

             
SA335 P5 ≤0.15 ≤0.50

0.30∼

0.60

0.030

≤0.030

4.00/

6.00

0.45/

0.65

             
SA335 P91

0.08∼

0.12

0.20∼

0.50

0.30∼

0.60

0.020

≤0.010

8.00

∼9.50

0.85

∼1.05

 

0.40

0.18∼

0.25

0.015

 

0.06∼

0.10

0.03∼

0.07

SA335 P92

0.07∼

0.13

≤0.50

0.30∼

0.60

0.020

≤0.010

8.50

∼9.50

0.30

∼0.60

B0.001 0.006

0.40

0.15∼

0.25

0.015

1.50∼

2.00

0.04∼

0.09

0.03∼

0.07


Dimensional 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%