YUHONG HOLDING GROUP CO., LTD
| Payment Terms | TT, LC |
| Supply Ability | 1000 tons/month |
| Delivery Time | 30-60 days |
| Packaging Details | Ply-wooden Case With Iron Frame |
| Product | Fin Tubes or Finned Tube |
| Type | Serrated Spiral Fin Tubes |
| Material | ASTM A335 P11 Base Tubes and Gr.11 Fins |
| Tube Details | 114.3mm O.D. and 6.02mm ( SCH 40S ) W.T. |
| Fin Details | Fin Thickness 1.27mm, Fin Height 25.4mm, 5 FPI |
| Length | 5020mm/pc |
| Use | For large equipment, Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators, etc |
| Packing | Ply-wooden Case With Iron Frame |
| Brand Name | Yuhong |
| Model Number | ASTM A335 P11 |
| Certification | ABS, BV, DNV, CCS, LR |
| Place of Origin | China |
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Product Specification
| Payment Terms | TT, LC | Supply Ability | 1000 tons/month |
| Delivery Time | 30-60 days | Packaging Details | Ply-wooden Case With Iron Frame |
| Product | Fin Tubes or Finned Tube | Type | Serrated Spiral Fin Tubes |
| Material | ASTM A335 P11 Base Tubes and Gr.11 Fins | Tube Details | 114.3mm O.D. and 6.02mm ( SCH 40S ) W.T. |
| Fin Details | Fin Thickness 1.27mm, Fin Height 25.4mm, 5 FPI | Length | 5020mm/pc |
| Use | For large equipment, Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators, etc | Packing | Ply-wooden Case With Iron Frame |
| Brand Name | Yuhong | Model Number | ASTM A335 P11 |
| Certification | ABS, BV, DNV, CCS, LR | Place of Origin | China |
| High Light | ASTM A335 Serrated Finned Tubes ，Power Generation Serrated Finned Tubes ，P11 Serrated Finned Tubes | ||
ASTM A335 P11 Serrated Finned Tubes With Gr.11 Fins For Power Generation
Chemical Composition (%)
| Grade | C | Mn | P | S | Si | Cr | Mo | Ni | V |
| P11 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.5-1.00 | 1.00-1.50 | 0.44-0.65 | ... | ... |
Mechanical Properties
| Grade | Tensile Strength,min | Yield Strength (0.2%Offset,min) |
| P11 | 60ksi (415 MPa) | 30ksi (205 MPa) |
ASTM A335 covers nominal wall and minimum wall seamless ferritic alloy-steel pipe intended for high-temperature service. Pipe ordered to this specification shall be suitable for bending, flanging (vanstoning), and similar forming operations, and for fusion welding. Selection will depend upon design, service conditions, mechanical properties, and high-temperature characteristics.
Features of ASTM A335 P11 Pipes
High-Temperature Resistance: Designed to withstand elevated temperatures, making them suitable for power plants and refineries.
Excellent Strength: Offers high tensile and yield strength, ensuring durability under stress.
Corrosion Resistance: Performs well in environments with moderate corrosion, especially at high temperatures.
Seamless Construction: Provides superior reliability and strength compared to welded pipes.
Creep Resistance: Maintains structural integrity under long-term exposure to high temperatures and pressures.
In summary, ASTM A335 P11 alloy steel pipes are essential components in high-temperature and high-pressure applications, particularly in power plants, refineries, and petrochemical industries.
Serrated Finned Tubes
Serrated spiral HF (high-frequency) welding fin tubes are advanced heat exchangers designed to enhance thermal performance through a unique fin design.The combination of serrated fins and spiral configurations maximizes heat transfer while maintaining structural integrity.
Advantages
High efficiency allows for smaller and more compact heat exchanger designs.
The serrated design significantly enhances thermal efficiency by increasing turbulence and surface area.
Improved heat transfer efficiency can lead to energy savings and reduced operational costs.
Suitable for a wide range of temperatures, pressures, and corrosive environments.
Application
Air-Cooled Heat Exchangers: Ideal for applications where air is the cooling medium, such as in power plants and refineries.
Boilers and Economizers: Used to recover waste heat and improve energy efficiency.
Petrochemical Industry: Suitable for process heaters, coolers, and condensers.
HVAC Systems: Employed in air handlers, chillers, and heat pumps.
Renewable Energy: Used in geothermal and solar thermal systems.
Industrial Cooling Systems: Effective in cooling towers and other industrial cooling applications.
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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