ASME SA335 P9 Seamless Ferritic Alloy Steel Pipe for High Temperature

ASME SA335 is a seamless ferritic alloy nominal pipe suitable for use in high temperature environments. We mainly offer several grades of this standard, they are: P2, P5, P9, P11, P12, P22, P91

Please refer to the following table for the chemical content and physical properties of different grades:

Grade
UNS
C
Mn
P,≤
S，≤
Si
Cr
Mo
P1
K11522
0.10-0.20
0.30- 0.80
0.025
0.025
0.10-0.50
…
0.45-0.65
P2
K11547
0.10-0.20
0.30- 0.61
0.025
0.025
0.10-0.30
0.50-0.81
0.45-0.65
P5
K41545
≤0.15
0.30-0.60
0.025
0.025
≤0.50
4.00-6.00
0.45-0.65
P5b
K51545
≤0.15
0.30-0.60
0.025
0.025
1.00-2.00
4.00-6.00
0.45-0.65
P5c
K41245
≤0.12
0.30-0.60
0.025
0.025
≤0.50
4.00-6.00
0.45-0.65
P9
S50400
≤0.15
0.30-0.60
0.025
0.025
0.50-1.00
8.00- 10.00
0.90- 1.10
P11
K11597
0.05~ 0.15
0.30-0.60
0.025
0.025
0.50-1.00
1.00-1.50
0.44- 0.65
P12
K11562
0.05-0.15.
0.30~ 0.61
0.025
0.025
≤0.50
0.80-1.25
0.44- 0.65
P15
K11578
0.05-0.15
0.30~0.60
0.025
0.025
1.15-1.65
…
0.44-0.65
P21
K31545
0.05-0.15
0.30- 0.60
0.025
0.025
≤0.50
2.65-3.35
0.80-1.06
P22
K21590
0.05-0.15
0.30- 0.60
0.025
0.025
≤0.50
1.90-2.60
0.87-1.13
P91
K91560
0.08-0.12
0.30-0.60
0.02
0.01
0.20-0.50
8.00-9.50
0.85-1.05
P92
K92460
0.07-0.13
0.30- 0.60
0.02
0.01
≤0.50
8.50-9.50
0.30-0.60

 

 
P1,P2
P12
P91
P92
Other
Tensile strength，≥，ksi(MPa)
55(380)
60(415)
85(585)
90(620)
60(415)
Strength of yield，≥，ksi(MPa)
30(205)
32(220)
60(415)
64(440)
30(205)
Standard distance 2in. Or 50mm(or 4D)
Elongation,≥ %
Elongation requirements for all classes except P91 and P92
P91
longitudinal
transverse
longitudinal
transverse
Basic elongation for strip specimens with wall thickness ≥5/16in. (8mm) and for all small size specimens with full section tests
30
20
20
…
When using standard round sample with standard spacing of 2in. Or 50mm, or small scale sample with standard spacing of 4D:
22
14
20
13
From the wall thickness of 5/16in. (8mm) strip specimen for every 1/32in.(0.8mm) thinning, the percentage should be reduced from the basic elongation
1.5
1
1
…

SA335 stipulates that seamless pipes can be bent, crimped and other forming processes and fusion welding. Seamless steel pipes can be processed by hot rolling or cold drawing and heat treated as required.

Other standards referenced by ASME SA335 High Temperature Ferritic Seamless Alloy Pipe:
1. A 450/A 450M carbon steel, ferritic alloy steel and austenitic alloy steel pipe general requirements
2.A 530/A 530M General requirements for special purpose carbon and alloy steel pipe
3. E213 Specification for Ultrasonic Inspection of Metal Pipes and Pipes
4. Eddy current inspection procedures for magnetic saturation of E309 steel pipe products
5.E381 Macroscopic Erosion Test and Inspection Methods for Steel Products (Including Bars, Billets, Billets, and Forgings)
6. E527 Numbering Method for Alloys and Metals (UNS)
7. E570 Leakage Flux Inspection Regulations for Ferromagnetic Pipe Products

If you want to know the detailed steel properties of each grade, please pay attention to our later articles. If you want to know the latest price, you can send us an email or contact us online.


From:http://boilersteelpipe.com/pro/smls/asme-sa335-p9-seamless-ferritic-alloy-steel-pipe-for-high-temperature.html

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