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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