YUHONG HOLDING GROUP CO., LTD
| Finned Tube Type | Serrated Spiral Fin Tubes |
| Product | Fin Tubes or Finned Tube |
| Delivery Time | 30-60 days |
| Serrated Finned Tubes Fin Details | Fin Thickness 1.5mm, Fin Height 38mm, Requirements by Client |
| Payment Terms | TT, LC |
| Serrated Finned Tubes Packing | Ply-wooden Case With Iron Frame |
| Supply Ability | 2000 tons/month |
| Serrated Finned Tubes Use | For large equipment, Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators, etc |
| Serrated Finned Tubes Length | 17070mm/pc, Requirements by Client |
| Serrated Finned Tubes Material | ASTM A335 P22 Base Tubes and Garbon Fins |
| Serrated Finned Tubes Details | 273mm O.D. and 9.27mm W.T.,Requirements by Client |
| Packaging Details | Ply-wooden Case With Iron Frame |
| Model Number | ASTM A335 P22 |
| Brand Name | Yuhong |
| Certification | ABS, BV, DNV, CCS, LR |
| Place of Origin | China |
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Product Specification
| Finned Tube Type | Serrated Spiral Fin Tubes | Product | Fin Tubes or Finned Tube |
| Delivery Time | 30-60 days | Serrated Finned Tubes Fin Details | Fin Thickness 1.5mm, Fin Height 38mm, Requirements by Client |
| Payment Terms | TT, LC | Serrated Finned Tubes Packing | Ply-wooden Case With Iron Frame |
| Supply Ability | 2000 tons/month | Serrated Finned Tubes Use | For large equipment, Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators, etc |
| Serrated Finned Tubes Length | 17070mm/pc, Requirements by Client | Serrated Finned Tubes Material | ASTM A335 P22 Base Tubes and Garbon Fins |
| Serrated Finned Tubes Details | 273mm O.D. and 9.27mm W.T.,Requirements by Client | Packaging Details | Ply-wooden Case With Iron Frame |
| Model Number | ASTM A335 P22 | Brand Name | Yuhong |
| Certification | ABS, BV, DNV, CCS, LR | Place of Origin | China |
ASTM A335 P22 HFW Serrated Finned Tubes With Carbon Fins For Power Plant
Chemical Composition (%)
| Grade | C | Mn | P | S | Si | Cr | Mo | Others |
| P22 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50max | 1.90-2.60 | 0.87-1.13 | ... |
Mechanical Properties
| Grade | Tensile Strength,min | Yield Strength (0.2%Offset,min) |
| P22 | 60ksi (415 MPa) | 30ksi (205 MPa) |
Features of ASTM A335 P22 Pipes
Outstanding Creep Resistance
Excellent Oxidation & Anti-Scaling Capacity
Hydrogen Attack & Sulfidation Resistance
Stable Thermal Conductivity & Low Thermal Fatigue
ASTM A335 is standard of seamless ferritic alloy-steel pipes with nominal wall and minimum wall thickness for high-temperature service. ASTM A335 P22 alloy steel pipes are essential components in high-temperature and high-pressure applications, particularly in power plants, refineries, and petrochemical industries.P22 exhibiting excellent long-term creep rupture strength at temperatures up to 565°C, it is suitable for waste heat boilers, superheaters, reheaters, and air-cooled condenser (ACC) manifolds under high-pressure superheated steam (10–16 MPa) in power plants.
Application in Power Plant
Ideal for equipment with clean flue gas / cooling air without heavy sulfur corrosion:
Combined-cycle HRSG evaporators, economizer sections, waste heat recovery coils
Air-cooled condensers (ACC) for thermal power plants (dry cooling island)
Low-temperature reheater loops, boiler flue gas heat exchangers
Steam auxiliary coolers, feedwater preheaters
In short, ASTM A335 P22 high-frequency resistance welded serrated finned tube with carbon steel fins, metallurgically bonded to enhance turbulent heat transfer, exhibiting excellent high-temperature creep resistance and steam oxidation resistance. It specifically designed for combined cycle waste heat boilers, air-cooled condensers, and waste heat recovery systems in thermal power plants, balancing high heat exchange efficiency with overall project cost.
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
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