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ASTM A335 P91 & P92 Seamless Steel Tubes High Temperature Chromium Molybdenum Alloy for Supercritical Power Plants

ASTM A335 P91 & P92 Seamless Steel Tubes High Temperature Chromium Molybdenum Alloy for Supercritical Power Plants

  • ASTM A335 P91 & P92 Seamless Steel Tubes High Temperature Chromium Molybdenum Alloy for Supercritical Power Plants
  • ASTM A335 P91 & P92 Seamless Steel Tubes High Temperature Chromium Molybdenum Alloy for Supercritical Power Plants
  • ASTM A335 P91 & P92 Seamless Steel Tubes High Temperature Chromium Molybdenum Alloy for Supercritical Power Plants
  • ASTM A335 P91 & P92 Seamless Steel Tubes High Temperature Chromium Molybdenum Alloy for Supercritical Power Plants
ASTM A335 P91 & P92 Seamless Steel Tubes High Temperature Chromium Molybdenum Alloy for Supercritical Power Plants
Produktdetails:
Herkunftsort: China
Markenname: YUHONG
Zertifizierung: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Modellnummer: ASTM A335 P91 und P92
Zahlung und Versand AGB:
Min Bestellmenge: 500 kg
Preis: Verhandelbar
Verpackung Informationen: Ply-Wooden-Gehäuse / Eisenhülle / Bündel mit Plastikkappe
Lieferzeit: 15-20 Tage
Zahlungsbedingungen: L/C, T/T
Versorgungsmaterial-Fähigkeit: 800 Tonnen/Monat
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Ausführliche Produkt-Beschreibung
Standard: Die in Absatz 1 genannten Anforderungen gelten nicht für die Produktion von Kraftfahrzeugen. Materialnote: P91 (UNS K91560) & P92 (UNS K92460)
Produkttyp: Nahtlose Stahlrohre Anwendung: Kraftwerkskessel, Hochtemperaturrohrleitungen
Größenbereich: Außendurchmesser 1/2" bis 24" Anforderungen an die NDT: UT, ET, HT verfügbar
Hervorheben:

ASTM A335 P91 seamless steel tubes

,

high temperature chromium molybdenum alloy tubes

,

supercritical power plant alloy steel tubes

ASTM A335 P91 & P92 Seamless Steel Tubes High Temperature Chromium Molybdenum Alloy for Supercritical Power Plants

 

YUHONG GROUP​ is a specialized manufacturer with 35 years of experience in producing high-performance seamless steel tubes. Our ASTM A335 P91 & P92 chromium-molybdenum alloy tubes are engineered for supercritical power plants, offering exceptional high-temperature strength and oxidation resistance for global energy applications.

Chemical Composition Comparison: Grade P91 vs. P92

 

Element​ P91 (UNS K90901) Requirement, %​ P92 (UNS K92460) Requirement, %​
Carbon (C)​ 0.08 - 0.12 0.07 - 0.13
Manganese (Mn)​ 0.30 - 0.60 0.30 - 0.60
Phosphorus (P), max​ 0.02 0.02
Sulfur (S), max​ 0.01 0.01
Silicon (Si)​ 0.20 - 0.50 0.50 max
Chromium (Cr)​ 8.00 - 9.50 8.50 - 9.50
Molybdenum (Mo)​ 0.85 - 1.05 0.30 - 0.60
Vanadium (V)​ 0.18 - 0.25 0.15 - 0.25
Niobium (Nb)​ 0.06 - 0.10 0.04 - 0.09
Nitrogen (N)​ 0.03 - 0.07 0.03 - 0.07
Nickel (Ni), max​ 0.4 0.4
Aluminum (Al), max​ 0.04 0.04
Tungsten (W)​ - 1.50 - 2.00
Boron (B)​ - 0.001 - 0.006

Heat Treatment Requirements: Grade P91 vs. P92

 

Parameter​ P91 (Type 1 & 2)​ P92​ Key Notes​
Grade​ P91 P92 Both are high-strength creep-resistant alloy steels.
Heat Treat Type​ Normalize and Temper or Quench and Temper​ Normalize and Temper A key difference: P91 allows for the alternative of Quenching.
Normalizing Temperature​ 1900-1975 °F [1040-1080 °C] 1900-1975 °F [1040-1080 °C] The austenitizing temperature range is identical.
Cooling Media​ Air or Accelerated Cooling Air P91 allows for accelerated cooling.
Tempering Temperature​ 1350-1470 °F [730-800 °C] 1350-1470 °F [730-800 °C] The tempering temperature range is identical.
 P91:​ The maximum permissible tempering temperature is 1470 °F [800 °C].

Tensile Requirements Comparison: Grade P91 vs. P92

 

Property​ P91 (Type 1 and Type 2)​ P92​ Notes​
Grade​ P91 P92, P93, P911, P36 Class 1 P92 shares its requirements with other advanced grades.
Tensile Strength, min​ 85 ksi 585 MPa 90 ksi
Yield Strength (0.2% Offset), min​ 60 ksi 415 MPa 64 ksi

Application Advantages of ASTM A335 P91 & P92 Seamless Steel Tubes

 

1. Excellent High-Temperature Performance​
The P91 and P92 chromium-molybdenum alloy composition provides outstanding high-temperature strength and oxidation resistance, making them ideal for supercritical and ultra-supercritical power plants operating at temperatures up to 650°C.
2 . Superior Creep Resistance​
These tubes offer excellent long-term creep resistance under high-temperature and high-pressure conditions, ensuring reliable performance in boiler systems, heat exchangers, and high-temperature piping applications.
3 . Enhanced Durability and Service Life​
With superior resistance to thermal fatigue and oxidation, P91 and P92 tubes maintain structural integrity over extended periods, reducing maintenance requirements and increasing the lifespan of power generation equipment.
 4. Global Standard Compliance​
Manufactured in full compliance with ASTM A335/ASME SA335 international standards, these tubes are certified for use in critical applications worldwide, ensuring quality and safety across different markets. 
5 . Wide Application Versatility​
Suitable for various high-temperature environments, including power plant boilers, petrochemical processing units, and high-temperature pipeline systems, providing flexible solutions for diverse industrial needs.

ASTM A335 P91 & P92 Seamless Steel Tubes High Temperature Chromium Molybdenum Alloy for Supercritical Power Plants 0

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