YUHONG HOLDING GROUP CO., LTD
| Payment Terms | T/T, L/C AT SIGHT |
| Supply Ability | 10000 pcs per month |
| Delivery Time | Depends on order quantity |
| Packaging Details | Iron frame wooden box |
| Fin type | High Frequency Welded (HFW) Fin Tube - Serrated type |
| Base tube | A213 T22 / other material |
| Fin material | 11-13Cr / other material |
| Applications | Boiler and waste heat recovery system/new energy heat conversion/chemical equipment |
| Advantages | Improved Heat Transfer Efficiency / Cost-Effective / Strength and Durability |
| Types of Serrated Fins | Spiral Serration / Flat Serrated Fins |
| Brand Name | YUHONG |
| Model Number | Serrated High Frequency Welded Fin Tube |
| Certification | ISO 9001/TUV/PED |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C AT SIGHT | Supply Ability | 10000 pcs per month |
| Delivery Time | Depends on order quantity | Packaging Details | Iron frame wooden box |
| Fin type | High Frequency Welded (HFW) Fin Tube - Serrated type | Base tube | A213 T22 / other material |
| Fin material | 11-13Cr / other material | Applications | Boiler and waste heat recovery system/new energy heat conversion/chemical equipment |
| Advantages | Improved Heat Transfer Efficiency / Cost-Effective / Strength and Durability | Types of Serrated Fins | Spiral Serration / Flat Serrated Fins |
| Brand Name | YUHONG | Model Number | Serrated High Frequency Welded Fin Tube |
| Certification | ISO 9001/TUV/PED | Place of Origin | China |
| High Light | HFW serrated fin tube ，Boiler Serrated Fin Tube ，Economizer serrated finned tube | ||
A213 T22 Alloy Steel Serrated HFW Finned Tube, High Frequency Welded Fin Type, Used For Boiler Economizer
Overview
The term "A213 T22 Alloy Steel Serrated HFW Finned Tube" refers to a specific type of finned tubing used primarily in heat exchangers and boiler applications, particularly in high-temperature and high-pressure environments. Here's a breakdown of each part of the term to explain what it means:
· A213: This is an ASTM specification that covers seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes.
· T22: A grade within the A213 specification. T22 is a 2.25% Cr – 1% Mo (chromium-molybdenum) alloy steel, known for:
- Good high-temperature strength
- Excellent corrosion and oxidation resistance
- Widely used in power plants, refineries, and petrochemical industries
· Indicates that the fin base or tube surface is serrated (has ridges or grooves).
· Serrations enhance the bonding strength between the tube and the fin (important in HFW finning).
· They also increase heat transfer efficiency by promoting turbulent flow on the finned surface.
· The fins are attached to the tube using high-frequency resistance welding.
· This process produces a strong metallurgical bond with minimal distortion, suitable for continuous and automated production.
· HFW finned tubes are known for their durability and consistent quality.
· Tubes with external fins to increase the surface area for heat transfer.
· Used in air-cooled heat exchangers, waste heat recovery systems, and boilers.
· Finning improves the efficiency of thermal transfer between fluids and gases.
· Power generation (boilers, economizers, superheaters)
· Petrochemical and refinery heat exchangers
· Waste heat recovery systems
· Industrial process heaters
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
1990
Total Annual:
50M-75M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
Yuhong Holding Group equipments production base at Jiangsu Jiangyin City, Jinjiang City and Yancheng City. Total production area around 184000 square meters, main products : Heat Exchanger, Condenser, Pressure Vessel , Fired Heater, Economizer, Columns, Reactor. ... Yuhong Holding Group equipments production base at Jiangsu Jiangyin City, Jinjiang City and Yancheng City. Total production area around 184000 square meters, main products : Heat Exchanger, Condenser, Pressure Vessel , Fired Heater, Economizer, Columns, Reactor. ...
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