Titanium Grade 2 Fin Tubes Manufacturer, Supplier and Exporter

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Titanium Grade 2 Fin Tubes are highly efficient and durable components designed to optimize heat transfer in a variety of industrial systems. Manufactured from commercially pure titanium (Grade 2), these fin tubes combine superior mechanical strength with excellent corrosion resistance, especially in harsh environments. Their primary function is to increase the external surface area of a tube, significantly improving heat exchange rates in applications such as air coolers, heat exchangers, and condensers.

One of the defining characteristics of Titanium Grade 2 is its excellent resistance to corrosion, particularly in seawater, brine, chlorides, and mildly acidic solutions. This makes Titanium Grade 2 finned tubes a reliable choice for marine and offshore applications, as well as in industries such as desalination, chemical processing, and power generation. The material’s resistance to pitting, crevice corrosion, and stress corrosion cracking ensures long-lasting performance with minimal maintenance.

The manufacturing process of Titanium Grade 2 fin tubes can involve either integrally finned tubing—where the fins are an extension of the base tube—or externally attached helical fins, depending on the design and thermal requirements. These fins can significantly increase the heat transfer surface area without increasing the overall system footprint, making them ideal for space-constrained installations. Fin height, pitch, and thickness are all customizable to meet specific engineering standards.

From a mechanical standpoint, Grade 2 titanium offers a good balance of moderate strength and excellent formability, allowing for precise fabrication, bending, and welding. It also retains its mechanical properties over a wide temperature range, ensuring stable performance in both high-temperature and cryogenic conditions. These attributes make Titanium Grade 2 fin tubes suitable for both static and dynamic heat exchanger systems.

Specification of Titanium Grade 2 Fin Tubes

Parameter	Specification
Material	Commercially Pure Titanium – Grade 2 (UNS R50400)
Standards	ASTM B338 / ASTM B861 / ASME SB338 / DIN 17861
Tube Outer Diameter (OD)	12.7 mm to 38.1 mm (1/2” to 1-1/2”) – Custom sizes available
Tube Wall Thickness	0.5 mm to 2.0 mm (based on application requirements)
Fin Type	Integral (extruded) or Helically Wound (external)
Fin Material	Same as base tube (Grade 2 Titanium) or dissimilar (e.g., Aluminum) in special cases
Fin Height	Up to 16 mm (customizable)
Fin Density (Fins per inch)	8 to 26 FPI (Fins Per Inch) – Application

In summary, Titanium Grade 2 fin tubes are a premium solution for industries that demand high thermal performance, corrosion resistance, and long service life. Whether used in coastal HVAC units, geothermal systems, or offshore oil platforms, these fin tubes deliver efficiency, reliability, and cost-effectiveness over time. Their combination of lightweight structure, resistance to harsh environments, and excellent thermal conductivity makes them a preferred material choice in critical applications worldwide.

Chemical Composition of Titanium Grade 2 Fin Tubes

Element	Symbol	Composition (% by weight)	Remarks
Titanium	Ti	Balance	Main constituent
Oxygen	O	≤ 0.25	Interstitial element
Carbon	C	≤ 0.08	Impurity limit
Nitrogen	N	≤ 0.03	Impurity limit
Hydrogen	H	≤ 0.015	Impurity limit
Iron	Fe	≤ 0.30	Alloying impurity
Residuals (each)	—	≤ 0.10	Total of other individual elements
Residuals (total)	—	≤ 0.40	Combined residual elements

With a proven track record as a Titanium Grade 2 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 Grade 2 tubing worldwide.

Specification of Titanium Grade 2 Fin Tubes

Parameter	Specification
Material	Commercially Pure Titanium – Grade 2 (UNS R50400)
Standards	ASTM B338 / ASTM B861 / ASME SB338 / DIN 17861
Tube Outer Diameter (OD)	12.7 mm to 38.1 mm (1/2” to 1-1/2”) – Custom sizes available
Tube Wall Thickness	0.5 mm to 2.0 mm (based on application requirements)
Fin Type	Integral (extruded) or Helically Wound (external)
Fin Material	Same as base tube (Grade 2 Titanium) or dissimilar (e.g., Aluminum) in special cases
Fin Height	Up to 16 mm (customizable)
Fin Density (Fins per inch)	8 to 26 FPI (Fins Per Inch) – Application

🏭 Industry & Application

✅ Titanium Grade 2 Fin Tubes for Medical Industry
✅ Titanium Grade 2 Fin Tubes for Chemical Processing
✅ Titanium Grade 2 Tubes for Fin Lines
✅ Titanium Grade 2 Fin Tubes for Gas & Liquid Flow
✅ Titanium Grade 2 Tubes for Heat Exchangers

❓ Frequently Asked Questions (FAQs)

Q1:What are Titanium Grade 2 fin tubes used for?

Titanium Grade 2 fin tubes are primarily used in heat exchangers, condensers, air coolers, and evaporators to improve heat transfer efficiency. They are especially popular in marine, offshore, chemical, desalination, and power generation applications due to their excellent corrosion resistance.

Q2: Why choose Grade 2 Titanium over other materials?

Grade 2 Titanium offers an ideal balance of corrosion resistance, mechanical strength, and formability. It performs exceptionally well in chloride-rich and seawater environments where materials like stainless steel or copper alloys might fail over time due to pitting or crevice corrosion.

Q3: How do fin tubes improve heat transfer efficiency?

Fins increase the external surface area of the tube, which enhances the rate of heat exchange between the fluid inside the tube and the surrounding medium. This allows for more compact and efficient heat exchanger designs, especially in space-limited installations.

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