Yuhong Group Co.,Ltd
| Payment Terms | L/C,T/T |
| Supply Ability | 1000 tons per month |
| Delivery Time | Depends on quantity |
| Packaging Details | IRON FRAME WOODEN CASE |
| Base Tube Material Standard | EN 10217-7 |
| Fin Material | Aluminum (Al) |
| Fin Attachment Process | Extruded (Integral) |
| Primary Applications | Heat Exchangers, Air Coolers, Boilers, Economizers, HVAC |
| Operating Temperature Range (Approx.) | 280°C to 300°C |
| Customization Available | Length, Fin Height, Fin Density, Bundles, Certifications |
| Brand Name | YUHONG |
| Model Number | EXTRUDED FIN TUBE |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 1000 tons per month |
| Delivery Time | Depends on quantity | Packaging Details | IRON FRAME WOODEN CASE |
| Base Tube Material Standard | EN 10217-7 | Fin Material | Aluminum (Al) |
| Fin Attachment Process | Extruded (Integral) | Primary Applications | Heat Exchangers, Air Coolers, Boilers, Economizers, HVAC |
| Operating Temperature Range (Approx.) | 280°C to 300°C | Customization Available | Length, Fin Height, Fin Density, Bundles, Certifications |
| Brand Name | YUHONG | Model Number | EXTRUDED FIN TUBE |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| High Light | Heat Recovery Extruded Fin Tubes ，Air Coolers Extruded Fin Tubes ，EN 10217-7 Extruded Fin Tubes | ||
Our extruded fin tubes feature a robust EN 10217-7 1.4301 (AISI 304) stainless steel base tube integrally bonded to 99.5% pure aluminum fins via cold extrusion. This design maximizes thermal conductivity (AL fins: 237 W/m·K) while leveraging the base tube’s corrosion resistance for harsh environments (e.g., acidic/chloride exposure).
Guaranteed Material Purity for Performance Longevity
| Component | Base Tube (1.4301) | Fins (AL 1050) |
|---|---|---|
| Carbon (C) | ≤0.07% | - |
| Chromium (Cr) | 17.5–19.5% | - |
| Nickel (Ni) | 8.0–10.5% | - |
| Aluminum (Al) | - | ≥99.5% |
| Iron (Fe) | Balance | ≤0.4% |
| Silicon (Si) | ≤1.0% | ≤0.25% |
Precision Metrics for Seamless Integration
| Parameter | Base Tube Tolerance | Fin Tolerance |
|---|---|---|
| Outer Diameter | ±0.10 mm | ±0.15 mm |
| Wall Thickness | ±10% | N/A |
| Fin Height | N/A | ±0.20 mm |
| Fin Density | N/A | 4–10 FPI* (±0.5) |
| Straightness | ≤1.5 mm/m | ≤2.0 mm/m |
| *FPI = Fins Per Inch |
Thermal Efficiency: 5–8x higher heat flux vs. bare tubes (fin surface area ratio: 15–25:1).
Corrosion Resistance: Base tube passes ASTM A262 Practice E (intergranular corrosion test).
Mechanical Durability: Fin pull-off strength >50 N/mm (per ASTM E8).
Customization: 50+ SKUs (OD: 15–50 mm; fin height: 3–20 mm; lengths ≤20 m).
Why Partner With Us?
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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