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High-temperature Service Corrosion Resistant Seamless Alloy Pipe A355P91 with OD 6-630mm for Industrial Applications
Productdetails
| Model-NR. | P91 | Oppervlaktebehandeling | Zwart |
|---|---|---|---|
| Sectievorm | Ronde | Buitendiameter | 6-630 mm |
| Productiecapaciteit | 50000 kg | Materiaalkwaliteit | X10CrMoVNb9-1 |
| chromiuminhoud | 9% | Molybdeengehalte | 1% |
| Temperatuurbestendigheid | 580°C - 600°C | Warmteoverdracht | Hoger |
| Thermische expansie | Lager | Wanddikte | STD, 40, XH, 60, 80, 100, 120, 140, 160, XXH |
| Materiële normen | ASTM A335, A213, EN10216-2 | Micro-legeringselementen | Vanadium, Niobium |
| Stikstofgehalte | Gecontroleerd | ||
| Markeren | High-temperature Service Seamless Pipe,Corrosion Resistant Alloy Pipe,OD 6-630mm A355P91 Pipe |
||
Productomschrijving
X10CrMoVNb9-1 Alloy Steel Seamless Pipes for High-Temperature Service (T91/P91)
Grade T/P91 is a ferritic-martensitic steel containing 9% chromium and 1% molybdenum, micro-alloyed with vanadium and niobium, with controlled nitrogen content according to ASTM A335, A213, or EN 10216-2 standards under the designation X10CrMoVNb9-1.
Applications
On fossil-fueled power plants, this grade is primarily used for high-temperature applications in superheater and reheater tubes, headers, and steam piping (main steam and hot reheat).
Performance Advantages
- Excellent elevated-temperature strength and creep behavior up to 580°C - 600°C
- 9% chromium content provides superior corrosion and oxidation resistance compared to grade 22
- Reduced weight of boiler and piping components enables higher resistance to thermal fatigue
- Higher heat transfer and lower thermal expansion coefficients compared to austenitic steels
Available Specifications
Standard wall thicknesses: STD, 40, XH, 60, 80, 100, 120, 140, 160, XXH
Special customer-designated nominal and minimum wall thicknesses can also be furnished. Non-standard OD & ID are available.
Best Pipeline can offer pipe from turned and bored forgings in accordance with Specifications A/SA369 when client requirements for size, wall thickness, quantity, or delivery cannot be met by material available under Specifications A/SA335.
A/SA369 material is manufactured in grades including FP11, FP22, FP5, FP9, FP91, and FP92 corresponding to the same grades listed for A/SA335.
Material Grades and Equivalents
Carbon Steel and Alloy Steel
| EN/DIN Grade | Steel | Standard |
|---|---|---|
| P235GH | 1.0345 | EN10216-2 |
| P265GH | 1.0425 | EN10216-2 |
| 16Mo3 | 1.5415 | EN10216-2 |
| 15NiCuMoNb5-6-4 | 1.6368 | EN10216-2 |
| 13CrMo4-5 | 1.7335 | EN10216-2 |
| 10CrMo9-10 | 1.7380 | EN10216-2 |
| X11CrMo5 | 1.7362 | EN10216-2 |
| X11CrMo9-1 | 1.7386 | EN10216-2 |
| X10CrMoNVb9-1 | 1.4903 | EN10216-2 |
| X10CrwMoVNb9-2 | 1.4901 | EN10216-2 |
International Standards
| Standard | Country | Description |
|---|---|---|
| ASTM | USA | American Society of Mechanical Engineers |
| AISI | USA | Acronym of American Iron and Steel Institute |
| JIS | JP | Japanese Industrial Standards |
| DIN | GER | Deutsches Institut fur Normung e.V. |
| UNS | USA | Unified Numbering System |
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