Product Main

Specifications

1. din st52 alloy steel pipe
2.grade: P5, P9, P11, P12, P22, P91, P92
3.OD: 6-1200mm, WT: 1-150mm 

Product Description
 P22 alloy steel pipea335 p11 alloy steel pipe  din st52 alloy steel pipe
ASTM A335 P22 high temperature alloy steel tubeStandard: ASTM A335/ASME SA335
Steel grade: P5, P9, P11, P12, P22, P91, P92
Size: OD (6-1200mm) x WT (1-150mm)
Application: Used for boiler pipe, power plants and nuclear plants.
Chemical Composition (%)
Grade C Si Mn P S Cr Mo Cu Ni V Al W Nb N
P11 0.05~0.15 0.5~1.0 0.3~0.6 ≤0.03 ≤0.03 1.0~1.5 0.5~1.0              
P12 0.05~0.15 ≤0.5 0.3~0.61 ≤0.03 ≤0.03 0.8~1.25 0.44~0.65              
P22 0.05~0.15 ≤0.5 0.3~0.6 ≤0.03 ≤0.03 1.9~2.6 0.87~1.13              
P5 ≤0.15 ≤0.5 0.3~0.6 ≤0.03 ≤0.03 4.0~6.0 0.45~0.65              
P91 0.08~0.12 0.2~0.5 0.3~0.6 ≤0.02 ≤0.01 8.0~9.5 0.85~1.05   ≤0.4 0.18~0.25 ≤0.015   0.06~0.10 0.03~0.07
P92 0.07~0.13 ≤0.5 0.3~0.6 ≤0.02 ≤0.01 8.5~9.5 0.3~0.6 B0.001 0.006 ≤0.4 0.15~0.25 ≤0.015 1.5~2.0 0.04~0.09 0.03~0.07
 
Mechanical Properties
Grade Tensile strength(MPa) Yield strength(MPa) Elongation(%) Impact energy(J) Hardness
P11 ≥415 ≥205 ≥22 ≥35 ≤163HB
P12 ≥415 ≥220 ≥22 ≥35 ≤163HB
P22 ≥415 ≥205 ≥22 ≥35 ≤163HB
P5 ≥415
USE: din st52 alloy steel pipe

A213 : Seamless Ferritic and Austenitic Alloy-Steel Boiler,Superheater and Heat-Exchanger Tubes
Weight Count:(just for Alloy Steel)
Weight(Kg/M)=(OD-WT)*WT*0.02466
OD:Outside Diameter
WT:Wall-Thickness
A213 Alloy Boiler Tube   Chemical Requirements
 
C max
Mn max
P max
S max
Si min
Cr max
Ni max
Mo max
Cu Max
T5
0.15
0.3-0.6
0.025
0.025
0.5
4.0-6.0
  
0.45-0.65
  
T11
0.05-0.15
0.3-0.6
0.025
0.025
0.5-1.0
1.0-1.5
  
0.44-0.65
  
T12
0.05-0.15
0.3-0.61
0.025
0.025
0.50
0.8-1.25
  
0.44-0.65
  
T22
0.05-0.15
0.3-0.6
0.025
0.025
0.5-1.0
1.9-2.6
  
0.87-1.13
  
T91
                  
 
A213 Alloy Boiler Tube   Mechanical Test
 
Tensile(Mpa)
Yeild(Mpa)
Elongation(%)
Hardness MAX
T5
415
205
30
89HRB
T11
...
...
...
...
T12
415
220
30
85HRB
T22
...
...
...
...
 
A213 Seamless Alloy Steel Boiler Tube Delivery Condition :
As different requirements,It including pickling,etc. AS per Standard
Packing:
1.Standard Packing
2.Woodbox Packing
Other Test:
1.Hydrostatic or Nondestructive Electric Test
2.Heat Treatment: according to Standard
3.Surface Condition:According to Standard.
4.Grain Size:According to standard
5.Sampling:flattening,flaring,grain size,Marking 

Vikey Sun
Sales Manager 

Mobile:+86 15731738080