Titanium Grade 4 fin tubes are specialized heat exchanger tubes made from commercially pure titanium, specifically Grade 4, known for its high strength and excellent corrosion resistance. These tubes feature external fins welded or extruded onto their surface to significantly increase the heat transfer area. This design makes them ideal for applications where efficient thermal exchange is critical under harsh environmental conditions. The combination of titanium’s natural corrosion resistance and the finned design ensures long-lasting, reliable performance in demanding industries.
Titanium Grade 4 is the strongest of the commercially pure titanium grades, boasting superior mechanical properties due to its higher oxygen content compared to Grades 1, 2, and 3. It exhibits excellent resistance to corrosion, especially in oxidizing and chloride-rich environments such as seawater, acidic chemicals, and industrial atmospheres. Its tensile strength typically ranges around 550 MPa, providing the durability needed for high-pressure and high-temperature applications. Moreover, titanium’s low density results in a lightweight solution without compromising structural integrity.
The finned tubes are manufactured by attaching or extruding fins on the outer surface of the tube, which greatly increases the surface area for heat transfer. These fins are usually made from the same titanium Grade 4 material to ensure consistent corrosion resistance. Fin heights, thicknesses, and pitch vary depending on the specific heat exchanger design and operational requirements, but common fin pitches range from 7 to 11 fins per inch. Tube diameters typically range from 12 mm to 38 mm, with customizable lengths to suit various industrial applications.
Titanium Grade 4 fin tubes are widely used in industries where corrosion resistance and thermal efficiency are paramount. They are common in seawater cooling systems for power plants, desalination plants, offshore oil and gas platforms, and chemical processing units. Their ability to withstand chloride-induced corrosion makes them particularly suited for marine environments, while their heat transfer efficiency supports energy-saving initiatives. Additionally, these tubes are sometimes used in aerospace and medical heat exchangers due to their biocompatibility and strength.
Specification | Details |
---|---|
Material Grade | Titanium Grade 4 (CP-Ti, UNS R50700) |
Standard | ASTM B338, ASTM B861 |
Tube Outer Diameter (OD) | 12 mm to 38 mm (custom sizes available) |
Tube Wall Thickness | 0.5 mm to 2.0 mm (depending on application) |
Fin Type | Extruded, welded, embedded fins |
Fin Material | Titanium Grade 4 |
Fin Height | 5 mm to 15 mm |
Fin Thickness | 0.3 mm to 1.0 mm |
Fin Pitch (Fins per Inch) | 7 to 11 FPI |
Length | Up to 12 meters or customized |
Tensile Strength | ~550 MPa (80 ksi) |
Yield Strength | ~483 MPa (70 ksi) |
Density | 4.51 g/cm³ |
Operating Temperature | Up to 400°C continuous use |
Corrosion Resistance | Excellent resistance to seawater, acids, and chlorides |
Applications | Heat exchangers, desalination, marine, chemical processing, offshore oil & gas |
Surface Finish | Smooth or customized surface treatment available |
The primary benefits of Titanium Grade 4 fin tubes lie in their outstanding corrosion resistance, mechanical strength, and thermal performance. Their lightweight nature reduces structural loads, which is critical in offshore and aerospace applications. The enhanced surface area from the fins improves heat exchange efficiency, leading to energy savings and reduced operational costs. Furthermore, the long service life and minimal maintenance requirements help lower total lifecycle costs. Overall, these tubes provide a reliable, cost-effective, and high-performance solution for heat transfer applications in challenging environments.
Element | Typical % Composition (wt%) |
---|---|
Titanium (Ti) | Balance (~ > 99%) |
Oxygen (O) | 0.25 – 0.40 |
Carbon (C) | ≤ 0.10 |
Nitrogen (N) | ≤ 0.03 |
Iron (Fe) | ≤ 0.30 |
Hydrogen (H) | ≤ 0.015 |
With a proven track record as a Titanium Grade 4 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 | Details |
---|---|
Material Grade | Titanium Grade 4 (CP-Ti, UNS R50700) |
Standard | ASTM B338, ASTM B861 |
Tube Outer Diameter (OD) | 12 mm to 38 mm (custom sizes available) |
Tube Wall Thickness | 0.5 mm to 2.0 mm (depending on application) |
Fin Type | Extruded, welded, embedded fins |
Fin Material | Titanium Grade 4 |
Fin Height | 5 mm to 15 mm |
Fin Thickness | 0.3 mm to 1.0 mm |
Fin Pitch (Fins per Inch) | 7 to 11 FPI |
Length | Up to 12 meters or customized |
Tensile Strength | ~550 MPa (80 ksi) |
Yield Strength | ~483 MPa (70 ksi) |
Density | 4.51 g/cm³ |
Operating Temperature | Up to 400°C continuous use |
Corrosion Resistance | Excellent resistance to seawater, acids, and chlorides |
Applications | Heat exchangers, desalination, marine, chemical processing, offshore oil & gas |
Surface Finish | Smooth or customized surface treatment available |
Titanium Grade 4 fin tubes are heat exchanger tubes made from commercially pure titanium (Grade 4) with external fins attached to increase surface area and improve heat transfer efficiency. They are widely used in corrosive and high-temperature environments.
Grade 4 titanium has the highest strength among commercially pure titanium grades while maintaining excellent corrosion resistance. This makes it ideal for applications requiring durability and long-term resistance to aggressive environments like seawater or chemical processing.
Fins can be extruded, welded, or embedded onto the tube surface. They are typically made from the same titanium Grade 4 material to ensure uniform corrosion resistance and mechanical compatibility.
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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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