Yuhong Holding Group Co.,LTD
| Place of Origin: | CHINA |
| Brand Name: | YUHONG |
| Certification: | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Model Number: | Extruded Fin Tube |
| Minimum Order Quantity: | 10PCS |
|---|---|
| Price: | Negotiable |
| Packaging Details: | IRON FRAME WOODEN CASE |
| Delivery Time: | Depends on quantity |
| Payment Terms: | L/C,T/T |
| Supply Ability: | 1000 tons per month |
| Base Pipe Material Grade: | EN 10217-7 1.4301 / AISI 304 | Fin Material: | Aluminum 1050A (EN 573-3) |
|---|---|---|---|
| Bimetallic_BondType: | Extruded Metallurgical Bond | FinDensity_FPI: | 7-23 FPI (Customizable) |
| CorrosionResistance_Index: | PREN >19 (Base) / Al2O3 Layer (Fin) | Highlight: | Extruded Aluminum Fin Tubes, EN 10217-7 1.4301, AISI 304 Finned Tube |
| Highlight: | EN 10217-7 finned tube for boilers,1.4301 extruded fin tube,air cooler finned tube |
||
Our extruded fin tubes feature a corrosion-resistant EN 10217-7 1.4301 (AISI 304) stainless steel base pipe integrally bonded to high-conductivity aluminum fins. This material combination delivers:
Guaranteed material traceability per EN 10217-7 & EN 573-3 standards
Table 1: Base Pipe Chemistry (EN 10217-7 1.4301 / AISI 304)
| Element | Carbon (C) | Chromium (Cr) | Nickel (Ni) | Manganese (Mn) | Silicon (Si) | Iron (Fe) |
|---|---|---|---|---|---|---|
| % Range | ≤0.07 | 17.5-19.5 | 8.0-10.5 | ≤2.0 | ≤1.0 | Balance |
Table 2: Aluminum Fin Chemistry (EN 573-3 1050A / AA1060)
| Element | Aluminum (Al) | Iron (Fe) | Silicon (Si) | Copper (Cu) | Zinc (Zn) |
|---|---|---|---|---|---|
| % Range | ≥99.50 | ≤0.40 | ≤0.25 | ≤0.05 | ≤0.05 |
Manufactured per DIN EN ISO 9447 tolerance class Medium
Table 3: Critical Tolerances
| Parameter | Base Pipe Tolerance | Fin Tolerance |
|---|---|---|
| Outer Diameter | ±0.15 mm | ±0.1 mm |
| Wall Thickness | ±10% | N/A |
| Fin Height | N/A | ±0.2 mm |
| Fin Pitch | N/A | ±0.1 mm |
| Straightness | 1mm per 1m length | - |
Optimized for thermal performance in:
✓Waste heat boilers (WHB)
✓ Gas turbine inlet air cooling
✓ Economizers & superheaters
✓ Petrochemical cracker furnaces
✓ LNG vaporizers
✓ Distillation column condensers
✓ Industrial chillers
✓ Air-cooled condensers
✓ Heat pump evaporators
Serving global engineering contractors since 2012
Customization Capabilities:
✓ Fin density: 5-25 FPI (fins per inch)
✓ Tube lengths: 0.5m to 24m
✓ Header configurations: Multipass/coaxial designs
![]()
Contact Person: Freya
Tel: +8617276485535
Fax: 0086-574-88017980