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 |
| Fin Type / Configuration | KL Type (Knurled L-Foot) |
| Base Tube Material | ASTM A179 (Seamless Cold-Drawn Low-Carbon Steel) |
| Fin Material | Aluminum (Grade 1060 / 1100 / 3003) |
| Fin Pitch / Density | 7 FPI to 14 FPI (Fins Per Inch) |
| Fin Height | 9.5 mm - 15.88 mm (3/8" to 5/8") |
| Max Operating Temperature | Up to 250°C (482°F) |
| Primary Application | Air Cooled Heat Exchangers (ACHE), Air Coolers |
| Fin-to-Tube Bond | Mechanically Bonded & Knurled |
| Brand Name | YUHONG |
| Model Number | KL Finned Tubes |
| 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 |
| Fin Type / Configuration | KL Type (Knurled L-Foot) | Base Tube Material | ASTM A179 (Seamless Cold-Drawn Low-Carbon Steel) |
| Fin Material | Aluminum (Grade 1060 / 1100 / 3003) | Fin Pitch / Density | 7 FPI to 14 FPI (Fins Per Inch) |
| Fin Height | 9.5 mm - 15.88 mm (3/8" to 5/8") | Max Operating Temperature | Up to 250°C (482°F) |
| Primary Application | Air Cooled Heat Exchangers (ACHE), Air Coolers | Fin-to-Tube Bond | Mechanically Bonded & Knurled |
| Brand Name | YUHONG | Model Number | KL Finned Tubes |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| High Light | A179 aluminum finned tube heater ，high efficiency fin tube heater ，KL finned tubes air heater | ||
The KL series wound finned tubes integrate a high-strength A179 carbon steel base tube with corrosion-resistant aluminum fins using advanced mechanical winding technology. Designed for extreme thermal cycling environments (operating range: -40°C to 250°C), these tubes amplify heat transfer efficiency by 4–8x compared to bare tubes. Ideal for gas-to-liquid heat exchange, the aluminum fins maximize surface area while the A179 base ensures structural integrity under 30 MPa pressure.
Table: Material Composition Compliance (ASTM Standards)
| Component | A179 Carbon Steel (%) | AL 1100 Aluminum (%) |
|---|---|---|
| C | 0.06–0.18 | ≤ 0.20 (Fe + Si) |
| Mn | 0.27–0.63 | ≤ 0.05 (Cu) |
| P | ≤ 0.035 | 99.0+ Al (min) |
| S | ≤ 0.035 | – |
| Si | ≤ 0.10 | ≤ 0.95 (Si) |
| Al | – | Balance |
Table: Precision Engineering Standards (Customizable Sizes)
| Parameter | Tolerance Range | Standard Size |
|---|---|---|
| Base Tube OD | ±0.1 mm | 15.88–50.8 mm |
| Base Tube Thickness | ±10% | 1.24–3.68 mm |
| Fin Height | ±0.15 mm | 12.7–19.05 mm |
| Fin Thickness | ±0.02 mm | 0.3–0.5 mm |
| Fin Density | ±1 fin/inch | 7–11 FPI (fins per inch) |
| Straightness | ≤1.5 mm/m length | – |
With 15+ years in finned tube production, we guarantee:
Global Supply: 5,000+ tons/year capacity; lead time ≤4 weeks for bulk orders.
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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