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Help CenterTP304 Stainless Steel Spiral Finned Tube for Air Cooling Heat Exchanger
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a professional manufacturer with over 20 years of experience in metal processing. Our TP304 Stainless Steel Spiral Finned Tube is designed specifically for air cooling heat exchangers, offering superior heat transfer efficiency and corrosion resistance. By combining advanced spiral winding technology with high-quality TP304 stainless steel, this product delivers reliable performance in demanding environments, helping our customers reduce energy costs and extend equipment lifespan.
Our finned tubes are produced using a precision spiral winding process that ensures a tight bond between the fin and the base tube, maximizing thermal contact. The TP304 stainless steel material provides excellent resistance to oxidation, moisture, and chemical attack, making it ideal for industrial cooling applications. Each tube is manufactured under strict quality control, with dimensional accuracy and consistent fin geometry to guarantee predictable heat exchange performance.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Material | TP304 Stainless Steel (UNS S30400) |
| Base Tube Outer Diameter | 16 mm – 38 mm (customizable) |
| Fin Height | 8 mm – 16 mm (customizable) |
| Fin Pitch | 2.5 mm – 8 mm (customizable) |
| Fin Thickness | 0.3 mm – 0.8 mm (customizable) |
| Tube Length | 1 m – 12 m (customizable) |
| Fin Type | Spiral wound (L-foot or KL-foot available) |
Product Features & Benefits
- High Heat Transfer Efficiency: The spiral fin design increases the surface area by up to 10-20 times compared to a bare tube, enhancing heat dissipation in air cooling systems.
- Corrosion Resistance: TP304 stainless steel offers excellent resistance to rust, acidic gases, and humid environments, ensuring long service life even in harsh conditions.
- Uniform Fin Bonds: Our winding process ensures a continuous metallurgical bond between the fin and tube, reducing thermal resistance and improving heat transfer consistency.
- Customizable Dimensions: We offer flexible customization for tube diameter, fin height, pitch, and length to meet specific air cooling heat exchanger requirements.
- Low Maintenance: The smooth surface of the stainless steel resists fouling and scaling, reducing cleaning frequency and downtime.
- High Temperature Capability: TP304 stainless steel can withstand operating temperatures up to 870°C (in oxidizing conditions), suitable for high-temperature air cooling applications.
Why Choose Our TP304 Spiral Finned Tube?
Our factory has been a trusted manufacturer since 1998, with an annual export value of US$5 million to US$10 million. We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery to clients worldwide. Our products are used in diverse markets across North America, South America, Europe, Southeast Asia, Africa, and Oceania. Each finned tube undergoes rigorous dimensional inspection and pressure testing to ensure reliability. We are committed to providing high-quality heat exchange components that help our customers improve system efficiency and reduce operational costs.
With our advanced production capacity and strict quality control, we can handle both small trial orders and large volume contracts. Our team is ready to support you with technical advice and customized solutions. Contact us today to discuss your air cooling heat exchanger requirements and experience the reliability of a manufacturer with decades of expertise.
Frequently Asked Questions (FAQ)
-
What is the difference between TP304 and 304L stainless steel for finned tubes?
TP304 has a carbon content of up to 0.08%, while 304L has a lower carbon content (max 0.03%) for enhanced weldability. Both offer good corrosion resistance; TP304 is suitable for most air cooling applications, while 304L is recommended for welded assemblies requiring post-weld corrosion resistance. -
Can you provide finned tubes with different fin heights?
Yes, we offer fin heights from 8 mm to 16 mm. Custom heights are available upon request to optimize heat transfer area and pressure drop for your specific air cooling system. -
What is the maximum operating temperature for TP304 spiral finned tubes?
TP304 stainless steel can be used continuously at temperatures up to 870°C in oxidizing environments. For intermittent service, higher temperatures are possible. However, the actual operating limit depends on the specific heat exchanger design and pressure conditions. -
How do you ensure the fins are securely attached to the base tube?
We use a spiral winding process that creates a tight mechanical bond or a metallurgical bond (depending on the L-foot or KL-foot design). The fins are wound under tension and then welded or brazed at the base to prevent loosening even under thermal cycling. -
What is the minimum order quantity (MOQ) for spiral finned tubes?
Our MOQ is typically 100 meters for standard sizes. For first-time customers, we can accept smaller trial orders to evaluate product quality. Please contact our sales team to discuss your needs. -
Do you offer surface treatment like passivation or pickling?
Yes, we can provide passivation, pickling, or simple cleaning based on your requirements. Passivation helps form a protective oxide layer on the stainless steel surface, further enhancing corrosion resistance. -
How do you package finned tubes for export?
We package each tube with protective sleeves or wrapping, and bundle them securely in wooden crates or steel frames to prevent damage during transit. The packaging can be customized to meet your shipping method (sea, air, or land). -
Can you produce finned tubes with a specific length longer than 12 meters?
Our standard maximum length is 12 meters due to manufacturing constraints. For longer lengths, we can consider splicing or alternative solutions. Please inquire with your exact requirements.
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