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Product Details:
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| Certification: | CE,ISO9001-2000,ISO-9001 | Grade: | A335 P91 |
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| Alloy Or Not: | Is Alloy | Technique: | Hot Rolled,Cold Drawn |
| Thickness: | 2.87 - 13.84 Mm | Standard: | ASTM,DIN,BS |
| Outer Diameter(round): | 13.7 - 1016 Mm | Shape: | Round Shape |
| High Light: | A335 P91 Seamless Steel Tube,Boiler Cold Drawn Seamless Steel Tube |
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ASTM A335 is the standard specification for seamless ferritic alloy steel pipe for high temperature service. P5, P9, P11, P22, P91, and P92 are most widely utilized in practice. The specification covers nominal wall and minimum wall chrome-molybdenum ( also known as Cr-Mo, or Cr-Moly) alloy steel pipe intended for high-temperature application. Pipe ordered to this specification shall be suitable for bending, flanging (vanstoning), and similar forming operations, and for fusion welding. ASTM A335 P11, P22, P91 and P92 are commonly used in power plants and chemical-petrochemical industry, while P9 and P5 are mainly used in petroleum refineries. TIPTOP supplies ASTM A335 Cr-Mo alloy steel seamless pipes sized from 1/2″ to 54’’ ranging in wall thickness from SCH10 to 140mm.
1. Standards:
ASTM A335 Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
2. Application:
For the low and medium pressure boiler and steam header pipes;
For the high-pressure boiler and steam pipes, and the petrochemical industry pipes;
Power plant; Chemical Fertilizer; Petrochemicals; Offshore Oils; Gas Productions; Refineries and etc.
3. Ordering Information
Quantity (feet, meters, or number of lengths),
Name of material (seamless alloy steel pipe),
Grade (P1, P2, P5, P11, P12, P22, P91, and P92),
Manufacture (hot-finished or cold-drawn),
Size using one of the following:
NPS and schedule number;
Outside diameter and nominal wall thickness;
Outsider diameter and minimum wall thickness;
Inside diameter and nominal wall thickness;
Inside Diameter and minimum wall thickness.
Length (specific or random)
End finish (plain end or bevel end)
4. Chemical Requirements
| Chemical Requirements | |||||||||
| Grade |
UNS Designation |
Composition, % | |||||||
| C | Mn | P max |
S max |
Si | Cr | Mo | Others | ||
| 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 | 0.15max | 0.30-0.60 | 0.025 | 0.025 | 0.50max | 4.00-6.00 | 0.45-0.65 | ... |
| P9 | S50400 | 0.15max | 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 | ... |
| P12 | K11562 | 0.05-0.15 | 0.30-0.61 | 0.025 | 0.025 | 0.50 max | 0.80-1.25 | 0.44-0.65 | ... |
| P22 | K21590 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50 max | 1.90-2.60 | 0.87-1.13 | ... |
| 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 | V 0.18-0.25 |
| N 0.030-0.070 | |||||||||
| Ni 0.40max | |||||||||
| Al 0.02max | |||||||||
| Cb 0.06-0.10 | |||||||||
| Ti 0.01 max | |||||||||
| Zr 0.01max | |||||||||
| P92 | K92460 | 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 | |||||||||
| Cb 0.04-0.09 | |||||||||
| W 1.5-2.00 | |||||||||
| B 0.001-0.006 | |||||||||
| Ti 0.01 max | |||||||||
| Zr 0.01 max | |||||||||
5. Available Size Range
| OD | Thickness | ||
| mm | inch | mm | SCH |
| 88.9~1422 | 3''~ 56'' | 2.11~140 | ≥SCH10 |
| *If the steel grades and size you are looking for are not listed above, please contact us for further information. | |||
6. Tensile Requirements
| Tensile Requirements | ||||||||
| Grade | ||||||||
| P1, P2 | P12 | P23 | P91 | P92, P911 P36 Class 1 |
P122 | P36 Class 2 | All others | |
| Tensile Strength, min: | ||||||||
| ksi | 55 | 60 | 74 | 85 | 90 | 90 | 95.5 | 60 |
| Mpa | 380 | 415 | 510 | 585 | 620 | 620 | 660 | 415 |
| Yiled Strength, min: | ||||||||
| ksi | 30 | 32 | 58 | 60 | 64 | 58 | 66.5 | 30 |
| MPa | 205 | 220 | 400 | 415 | 440 | 400 | 460 | 205 |
Contact Person: Mr. Gao Ben
Tel: +86-18068357371
Fax: 86-0510-88680060
