Brass Fin tubes, Brass Fin Tube Manufacturer, Brass Fin Tube Supplier, Brass Fin Tube Exporter, Brass Precision Tubing, Brass Fin Small Diameter Tube Brass Fin Tubes
Brass fin tubes are heat exchange components widely used in various industrial and HVAC (heating, ventilation, and air conditioning) applications. They are constructed by attaching fins—usually made of brass or copper—to a brass tube. This design enhances the surface area of the tube, increasing heat transfer efficiency between fluids or between a fluid and the surrounding air. Brass is favored for its good thermal conductivity, resistance to corrosion, and mechanical durability, making it ideal for demanding environments.
These finned tubes are particularly useful in applications where air is used as a cooling or heating medium. The fins promote better air contact, allowing for faster thermal exchange. Commonly, brass fin tubes are used in air-cooled heat exchangers, condensers, oil coolers, and radiators. Their corrosion resistance is especially beneficial in environments exposed to moisture or mild chemicals, which can degrade other materials more rapidly.
Manufacturing methods for brass fin tubes vary depending on the application and required performance. Fins may be extruded, embedded, or soldered onto the tube, with each technique offering different advantages in terms of thermal performance and structural strength. High-quality manufacturing ensures uniform fin spacing, secure attachment, and minimal thermal resistance between the tube and fins.
In marine and coastal applications, brass fin tubes are especially valuable due to their ability to resist saltwater corrosion. Similarly, in industrial processing and chemical plants, the combination of thermal performance and durability helps maintain consistent operations and reduce maintenance needs. Their long service life also makes them a cost-effective option in the long run.
Specification of Brass Fin tubes
| Parameter | Specification |
|---|---|
| Base Tube Material | Brass (typically UNS C12200 or CuZn30) |
| Fin Material | Brass or Copper |
| Tube Outer Diameter (OD) | 12 mm to 38 mm (custom sizes available) |
| Tube Wall Thickness | 0.7 mm to 2.0 mm |
| Fin Type | Embedded / Extruded / Soldered |
| Fin Height | 5 mm to 16 mm |
| Fin Thickness | 0.3 mm to 0.5 mm |
| Fins per Inch (FPI) | 6 to 11 FPI (fins per inch) |
| Tube Length | Up to 6 meters (custom lengths available) |
| Working Temperature | Up to 250°C (depending on design) |
| Applications | HVAC, Heat Exchangers, Condensers, Radiators |
| Corrosion Resistance | Excellent (especially in coastal/marine use) |
| Thermal Conductivity | High (Brass: ~110 W/m·K) |
Overall, brass fin tubes play a critical role in efficient thermal management systems. Their adaptability to a wide range of environments and applications, along with reliable performance, makes them a preferred choice across multiple industries. As technology and manufacturing processes continue to improve, brass fin tubes remain a vital component in modern heat exchange solutions.
Chemical Composition of Brass Fin tubes
| Element | CuZn30 (% by weight) | CuZn37 (% by weight) | Remarks |
|---|---|---|---|
| Copper (Cu) | 69.0 – 71.0 | 62.0 – 65.0 | Main component; provides conductivity |
| Zinc (Zn) | Remainder | Remainder | Improves strength and machinability |
| Lead (Pb) | ≤ 0.05 | ≤ 0.10 | Enhances machinability (optional) |
| Iron (Fe) | ≤ 0.05 | ≤ 0.10 | Traces; excessive Fe may reduce ductility |
| Tin (Sn) | ≤ 0.10 | ≤ 0.10 | Added for corrosion resistance (optional) |
| Aluminum (Al) | ≤ 0.01 | ≤ 0.01 | Usually not present |
| Nickel (Ni) | ≤ 0.30 | ≤ 0.30 | Optional; enhances corrosion resistance |
| Others (total) | ≤ 0.10 | ≤ 0.20 | Includes Sb, As, etc. (if any) |
With a proven track record as a Brass Fin tubes exporter in over 30 countries, Sumer Metal Industries ensures global availability, third-party inspection support, and client-specific customization. Our wide export network combined with strict quality standards has made us a preferred choice for SS Grade3 tubing worldwide.
Specification of Brass Fin tubes
| Parameter | Specification |
|---|---|
| Base Tube Material | Brass (typically UNS C12200 or CuZn30) |
| Fin Material | Brass or Copper |
| Tube Outer Diameter (OD) | 12 mm to 38 mm (custom sizes available) |
| Tube Wall Thickness | 0.7 mm to 2.0 mm |
| Fin Type | Embedded / Extruded / Soldered |
| Fin Height | 5 mm to 16 mm |
| Fin Thickness | 0.3 mm to 0.5 mm |
| Fins per Inch (FPI) | 6 to 11 FPI (fins per inch) |
| Tube Length | Up to 6 meters (custom lengths available) |
| Working Temperature | Up to 250°C (depending on design) |
| Applications | HVAC, Heat Exchangers, Condensers, Radiators |
| Corrosion Resistance | Excellent (especially in coastal/marine use) |
| Thermal Conductivity | High (Brass: ~110 W/m·K) |
🏭 Industry & Application
- ✅ Brass Fin Tubes for Medical Industry
- ✅ Brass Fin Tubes for Chemical Processing
- ✅ Brass Fin Tubes for Fin Lines
- ✅ Brass Fin tubes for Gas & Liquid Flow
- ✅ Brass Tubes for Heat Exchangers
❓ Frequently Asked Questions (FAQs)
Q1:What are brass fin tubes used for?
Brass fin tubes are primarily used in heat exchangers, condensers, coolers, and radiators to enhance heat transfer between fluids and air. Their corrosion resistance and thermal conductivity make them ideal for HVAC, marine, chemical, and industrial applications.
Q2:Why is brass used for finned tubes?
Brass offers good thermal conductivity, excellent corrosion resistance (especially in moist or marine environments), and adequate mechanical strength. These properties make it suitable for both base tubes and fins, particularly in environments where other metals may corrode more easily.
Q3:How long do brass fin tubes last?
With proper maintenance, brass fin tubes can last 10 to 20 years or more, depending on operating conditions such as temperature, pressure, and exposure to corrosive agents. Regular inspection and cleaning help extend service life.
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At Sumer Metal Industries Pvt. Ltd., we follow a zero-defect policy by implementing stringent quality checks, using certified raw materials, and continuously improving our processes to deliver reliable and consistent tubing solutions
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