ASTM A335 Pipe
Description:
Type: Seamless steel pipe, alloy seamless steel pipe
Specification: OD:1/2″ – 30″, Schedules: 20, 30, 40, STD, 60, XS, 80, 100, 120, 140, 160, XXS. Length: 6m, 12m or customized.
Standard: ASTM A335, ASME SA335
Grades: GR P5, P9, P11, P12, P22, P91, P92.
End: Plain Ends, Beveled Ends, threaded Ends, Coupling
Surface: Oiled, Black painted to prevent rust, polished, varnished, 3PE, FBE
What is the ASTM A335 Steel Pipe?
ASTM A335 steel pipe (or ASME SA335 steel pipe) is the standard specification for seamless ferritic alloy steel pipe for high-temperature service. It covers steel grades from P1 to P5, P9, P11, P12, P91. Grades P11/P22 and P91/92 pipes are commonly used in power generation and petrochemical industries. ASTM A335 grade P5 and P9 pipes are mostly used for application in the petrochemical industry. Not only to power generation and petrochemical industries, it is also applied to gas processing equipment, oil serves, heaters/reheat lines, and boilers.
Features of ASTM A335 Steel Pipe
● Strong resistance to rupturing at high temperatures and high pressures
● May be used for Hydrogen Sulfide Corrosion Services
● Resistant to cracking from hydrogen attack and embrittlement
● Resistant to hot sulfide corrosion cracking
● Can be used for NACE Applications where sour environments are under high temp and pressure
● Can be used in NACE-MRO 175 Sour Service
● Ideal for creep rupture applications
● Can handle high temperatures with very low elasticity
Chemical And Mechanical Properties of ASTM A335 Steel Pipe
|
Material |
C |
Si |
Mn |
P |
S |
Mo |
Cr |
|
|
% |
% |
% |
% |
Max |
% |
% |
|
A335 Grade P1 |
0.10---0.20 |
0.10---0.50 |
0.30---0.80 |
0.025 |
0.025 |
0.44-0.65 |
/ |
|
A335 Grade P5 |
Max 0.15 |
Max 0.50 |
0.30---0.60 |
0.025 |
0.025 |
0.45-0.65 |
4.00-6.00 |
|
A335 Grade P9 |
Max 0.15 |
0.25-1.00 |
0.30---0.60 |
0.025 |
0.025 |
0.90-1.10 |
8.00-10.00 |
|
A335 Grade P11 |
0.05---0.15 |
0.5---1.0 |
0.30---0.60 |
0.025 |
0.025 |
0.45-0.65 |
1.00-1.50 |
|
A335 Grade P12 |
0.05---0.15 |
Max 0.50 |
0.30---0.61 |
0.025 |
0.025 |
0.45-0.65 |
0.80-1.25 |
|
A335 Grade P22 |
0.05---0.15 |
Max 0.50 |
0.30---0.60 |
0.025 |
0.025 |
0.87-1.13 |
1.90-2.60 |
|
A335 Grade P91 |
0.08-0.12 |
0.20-0.50 |
0.30---0.60 |
0.020 |
0.010 |
0.85-1.05 |
8.00-9.50 |
|
A335 Grade P92 |
0.07-0.13 |
Max 0.50 |
0.30---0.60 |
0.020 |
0.010 |
0.30-0.60 |
8.50-9.50 |
ASTM A335 Steel Pipe Mechanical Properties
|
Mechanical Property |
P1,P2 |
P12 |
P91 |
P92 |
P122 |
Others |
|
Tensile strength ksi |
55 |
60 |
85 |
90 |
90 |
60 |
|
Tensile strength mpa |
380 |
415 |
585 |
620 |
620 |
415 |
|
Yield strength ksi |
30 |
32 |
60 |
64 |
58 |
30 |
|
Yield strength mpa |
205 |
220 |
415 |
440 |
400 |
205 |
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