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Seamless alloy steel pipe and tube
ASTM A335
--- Application: For high temperature service
Chemical and mechanical properties
1. Grade and Chemical Composition (%)
| Grade |
UNS Desig- ation |
C |
Mn |
P≤ |
S≤ |
Si |
Cr≤ |
Mo |
Ni≤ |
V |
N |
Al≤ |
Cb |
P1 |
K11522 |
0.10- 0.20 |
0.30- 0.80 |
0.025 |
0.025 |
0.10- 0.50 |
- |
0.44- 0.65 |
- |
- |
|||
P2 |
K11547 |
0.10- 0.20 |
0.30- 0.61 |
0.025 |
0.025 |
0.10- 0.30 |
0.50- 0.81 |
0.44- 0.65 |
- |
- |
|||
P5 |
K41545 |
≤0.15 |
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 |
0.25- 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 |
- |
- |
|||
P91 |
K91560 |
0.08- 0.12 |
0.30- 0.60 |
0.020 |
0.010 |
0.20- 0.50 |
8.00- 9.50 |
0.85- 1.05 |
0.40 |
0.18- 0.25 |
0.03- 0.07 |
0.04 |
0.06- 0.10 |
2. Mechanical Properties:
Grade |
Tensile Strength, min Ksi (Mpa) |
Yield Strength, min Ksi (Mpa) |
P1, P2 |
55 (380) |
30 (205) |
P5, P9, P11 |
60 (415) |
30 (205) |
P91 |
90 (620) |
64 (440) |
Available Size for ASTM A335 alloy seamless steel pipe
1.Outer diameter range: 1/8 inch to 36 inch
2.Thickness range: SCH10~SCH160, SCHSTD, SCHXS, SCHXXS
3.Unit length: 3m, 5.8m, 6m, 11.8m, 12m or as per customers request
Ends and packing
End type: plain ends, bevel ends, screw thread, grooved.
Ends packing: plastic caps for 1/8 to 24 , ends protector for larger size.
Surface: varnish painting, galvanized, anti-corrosion(3LPE, 3PP......)
Inspection and Test
Chemical Composition Inspection, Mechanical Properties Test (Tensile Strength, Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test, No-destructive Test, Hydraulic Test.
1. Visual inspection for ASTM A335 alloy seamless steel pipe
2. Performance detection for ASTM A335 alloy seamless steel pipe
Application of ASTM A335 alloy seamless steel pipe
1.Industrial boilers
2.Power plants
3.Nuclear plants
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