Yuhong Group Co.,Ltd
| Delivery Time | 50-120 days |
| Supply Ability | 5000 meters/day |
| Product | Double H fin tube |
| Payment Terms | L/C,T/T |
| Material | ASTM A213 Gr.1 |
| Application | Power Plant |
| Packaging Details | Iron frame wooden case |
| Package | Iron frame wooden case |
| Model Number | N/A |
| Brand Name | YUHONG |
| Certification | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 |
| Place of Origin | China |
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Product Specification
| Delivery Time | 50-120 days | Supply Ability | 5000 meters/day |
| Product | Double H fin tube | Payment Terms | L/C,T/T |
| Material | ASTM A213 Gr.1 | Application | Power Plant |
| Packaging Details | Iron frame wooden case | Package | Iron frame wooden case |
| Model Number | N/A | Brand Name | YUHONG |
| Certification | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 | Place of Origin | China |
| High Light | ASTM A210 Gr.1 finned tubes ，double H-fin tubes for power plants ，power plant fin tubes with warranty | ||
Our ASTM A210 Grade 1 Double H-Finned Tubes are custom-engineered thermal performance solutions designed specifically for high-stress boiler environments, waste heat recovery systems, and power plant economizers. Featuring dual H-shaped fin structures resistance-welded to seamless medium-carbon steel base tubes, this design maximizes surface heat exchange area while significantly reducing flue gas resistance and ash accumulation.
High Thermal Efficiency: The double H-fin arrangement provides double the surface area of standard longitudinal or spiral finned tubes, facilitating rapid thermal conductivity.
Anti-Fouling & Self-Cleaning Geometry: Straight flue gas channels created by the dual square-fin configuration minimize dust accumulation and reduce soot-blower wear.
Robust Resistance Welding: Precision flash-resistance welding ensures high contact integrity, eliminating thermal resistance at the fin-to-tube interface.
Reduced Pressure Drop: The open-channel fin layout lowers draft loss across the tube bank, saving power consumption on induced draft (ID) fans.
We manufacture double H-finned tubes tailored to custom engineering drawings and international boiler standards.
| Component / Parameter | Standard Range (Metric) | Standard Range (Imperial) |
|---|---|---|
| Base Tube Specification | ASTM A210 Grade A-1 / Gr.1 | ASTM A210 Grade A-1 / Gr.1 |
| Base Tube Outer Diameter (OD) | 25.4 mm – 60.3 mm | 1.0 in – 2.375 in |
| Base Tube Wall Thickness | 2.77 mm – 6.5 mm | 0.109 in – 0.256 in |
| Fin Thickness | 1.5 mm – 4.0 mm | 0.059 in – 0.157 in |
| Fin Pitch | 10 mm – 35 mm | 0.39 in – 1.38 in |
| Fin Height / Width | 30 mm – 65 mm | 1.18 in – 2.56 in |
| Tube Length | Up to 15,000 mm | Up to 49.2 ft |
ASTM A210 Grade 1 is a seamless medium-carbon steel specification optimized for high-pressure boiler and superheater tubes.
| Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Silicon (Si) |
|---|---|---|---|---|
| ≤0.27 | ≤0.93 | ≤0.035 | ≤0.035 | ≤0.1 |
Tensile Strength: ≥415MPa
Yield Strength: ≥255MPa
Elongation (in 2 inches / 50 mm): ≥30%
Hardness: ≤143HBW
To ensure zero-defect installation in critical power plant infrastructure, every production batch undergoes full-process quality inspection:
Hydrostatic Pressure Testing: Validates tube pressure ratings under simulated power plant operational conditions.
Eddy Current Testing (ECT): Detects surface and sub-surface imperfections along the full length of the base tube.
Ultrasonic Flaw Detection (UT): Verifies wall thickness uniformity and internal metal soundness.
Fin Weld Integrity Test: Mechanical pull tests and cross-sectional metallographic examinations to verify weld fusion percentage ($\ge 95\%$).
Dimensional & Visual Inspection: Precise verification of fin pitch, alignment, tube straightness, and surface finish.
Coal-Fired and Biomass Power Plant Economizers
Waste Heat Recovery Boilers (WHRB)
Gas Turbine Heat Recovery Steam Generators (HRSG)
Industrial Petrochemical Boilers & Preheaters
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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