| Marka Adı: | YUHONG |
| Model Numarası: | HFW Kaynaklı Kanatlı Katı Borular |
| Adedi: | Bağlı olmak |
| Fiyat: | pazarlık edilebilir |
| Paketleme Ayrıntıları: | Demir Çerçeveli Katlı Tahta Sandık |
| Ödeme Şartları: | T/T,L/C |
ASTM A335 P22 Alloy Steel HFW Welded Finned Solid Tubes for HRSG Superheater
Chemical Composition (%) Maximum
| Grade | C | Mn | P | S | Si | Cr | Mo |
| P22 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50 max | 1.90-2.60 | 0.87-1.13 |
Mechanical Properties
| Grade | Tensile Strength min | Yield Strength min | Elongation in 2" or 50mm min |
| P22 | 60ksi (415 MPa) | 35ksi (240 MPa) | 30% |
Core Advantages of Alloy Steel A335 P22 HFW Welded Finned Solid Tubes for HRSG Superheater
Excellent High-Temperature Creep Resistance:Alloy steel grades like ASTM A335 P22 maintain stable mechanical strength under long-term high temperature and high pressure, suitable for HRSG superheater severe operating conditions
Strong High-Temperature Oxidation & Corrosion Resistance:Alloy composition forms a dense protective oxide layer, resisting flue gas corrosion, sulfur corrosion and high-temperature oxidation in HRSG exhaust environment.
High Heat Transfer Efficiency:HFW solid finned structure greatly enlarges heat exchange area, improves thermal conductivity and enhances superheater heat absorption and steam heating performance.
Low Thermal Resistance & Stable Heat Conduction:Seamless base tube plus integrated HFW welding avoids gap thermal resistance, ensuring continuous and efficient heat transfer for superheater system.
High Structural Safety & Long Service Life:Integral welded structure withstands high pressure, thermal shock and flue gas scouring, reducing maintenance frequency and extending long-term operation life of HRSG superheater.
Key Advantages
Power plant combined cycle HRSG (Heat Recovery Steam Generator) superheater, reheater, evaporator and economizer sections
Thermal power plant high-pressure & high-temperature boiler heat exchange tube bundles
Petrochemical refining furnace, cracking furnace and process heater convection coils
Hydrogenation unit and catalytic reforming plant high-temperature heat exchangers
Coal chemical industry syngas coolers and high-temperature waste heat recovery systems
Waste-to-energy power plant flue gas heat recovery and heat exchange equipment
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