LOGO SHENYANG CHENGDE STEEL PIPE CO., LTD. Home Sitemap Email
Home Company Products Standard Service Contact
 
Hot rolled seamless pipe
Boiler pipe
Fluid pipe
Structural pipe
Mechanical pipe
Cylinder pipe
Line pipe
Hot finished seamless pipe
Pipe fittings
Global supply
ASTM A335 P11 P22 P5 P9 P91, Standard of ASTM A335 P11 P22 P5 P9 P91, seamless ferritic alloy steel pipe for high temperature service Specification for ASTM A335 Back Next

Standard Specification for
Seamless Ferritic Alloy Steel Pipe for High-Temperature Service

Chemical Composition (%)
Grade
C
Mn
P, S, max
Si
Cr
Mo
P11
0.05-0.15
0.30-0.60
0.025
0.50-1.00
1.00-1.50
0.44-0.65
P22
0.05-0.15
0.30-0.60
0.025
0.50 max
1.90-2.60
0.87-1.13
P5
0.15 max
0.30-0.60
0.025
0.50 max
4.00-6.00
0.45-0.65
P9
0.15 max
0.30-0.60
0.025
0.25-1.00
8.00-10.00
0.90-1.10
P91
0.08-0.12
0.30-0.60
0.020/0.010
0.20-0.50
8.00-9.50
0.85-1.05
 
V 0.18-0.25
N 0.03-0.07
Ni 0.40 max
Al 0.02 max
Nb 0.06-0.10
Ti 0.01 max
P92
0.07-0.13
0.30-0.60
0.020/0.010
0.50 max
8.50-9.50
0.30-0.60
 
V 0.15-0.25
N 0.03-0.07
Ni 0.40 max
Al 0.02 max
Nb 0.04-0.09
W 1.50-2.00
       
B 0.001-0.006
Ti 0.01 max
Zr 0.01 max
 
Mechanical Properties
 
Grade P11, P22, P5, P9
Grade P91
Grade P92
Tensile strength, min, (MPa)
415
585
620
Yield strength, min, (MPa)
205
415
440
Elongation, min, (%), L/T
30/20
20/…
20/…
 
Heat Treatment
A / N+T
N+T / Q+T
N+T

 

Copyright © CDGL, All Rights Reserved.