GR2 Titanium Tubes For Condensers
GR2 titanium tubing for condensers is a high performance titanium alloy tubing.
Description
What Are GR2 Titanium Tubes For Condensers?
GR2 Titanium Tubes for Condensers are commercially pure titanium tubes made from Grade 2 Titanium (UNS R50400), designed for heat transfer applications in condenser systems. Manufactured according to ASTM B338, ASTM B861, or ASTM B862 standards, these tubes provide excellent resistance to seawater, chloride corrosion, and harsh operating environments.
Due to their high corrosion resistance, lightweight properties, good mechanical strength, and long service life, GR2 titanium condenser tubes are widely used in power plant condensers, marine cooling systems, desalination equipment, and industrial heat exchangers.
Why Use GR2 Titanium Tube For Condensers?
Excellent Seawater Corrosion Resistance
GR2 titanium has outstanding resistance to seawater, chlorides, and marine environments, making it an ideal material for marine condensers and power plant cooling systems.
Long Service Life
Titanium tubes offer excellent corrosion resistance and require less maintenance compared with many traditional condenser tube materials, helping extend equipment service life.
High Reliability
With stable mechanical properties and excellent weldability, GR2 titanium tubes provide reliable performance under continuous operating conditions.
Lightweight Material
Titanium has a lower density than many corrosion-resistant alloys, helping reduce equipment weight while maintaining excellent strength performance.
Excellent Heat Transfer Performance
The smooth tube surface and strong corrosion resistance help maintain stable heat transfer efficiency during long-term operation.
World-class GR2 titanium tube production technology
| Chemical Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| C ≤ 0.08% | H ≤ 0.015% | Fe ≤ 0.2% | N ≤ 0.03% | O 0.18% | |||||
| Ti balance | |||||||||
| Physical Properties | ||||||
|---|---|---|---|---|---|---|
| Density | Electrical conductivity (% IACS) | Thermal conductivity (BTU-in/hr-ft²-°F) | Specific heat (BTU/lb-°F) | Thermal expansion (1/°F) | Thermal expansion | Melting Point (°F) |
| 0.163 | 4.11 | 111 | 0.124 | 4.78E-06 | – | 3040 |
GR2 Titanium Tube Specifications
| Item | Specification |
|---|---|
| Material Grade | Grade 2 Titanium |
| UNS Number | R50400 |
| Standard | ASTM B338 / ASTM B861 |
| Tube Type | Seamless / Welded |
| OD Range | 6–219 mm |
| Wall Thickness | 0.5–20 mm |
| Length | Customized |
| Condition | Annealed |
| Surface | Pickled / BA / Polished |
| Certification | EN10204 3.1 |
ASTM Standards For GR2 Titanium Condenser Tubes
| Standard | Application |
|---|---|
| ASTM B338 | Titanium Tubes for Condensers & Heat Exchangers |
| ASTM B861 | Seamless Titanium Pipe |
| ASTM B862 | Welded Titanium Pipe |
| ASME SB338 | Pressure Equipment Applications |
Seamless vs Welded Titanium Condenser Tube
Seamless Titanium Condenser Tube
Advantages:
No welded joint
Excellent structural consistency
Higher reliability for demanding applications
Suitable for high-pressure and critical systems
Common Applications:
High-pressure condensers
Chemical processing equipment
Critical industrial heat exchangers
Severe corrosion environments
Welded Titanium Condenser Tube
Advantages:
More economical for large projects
Available in larger diameters and longer lengths
Suitable for high-volume condenser production
Faster delivery for standard sizes
Common Applications:
Power plant condensers
Marine condensers
Desalination systems
Seawater cooling systems
GR2 Titanium Tube vs Copper Nickel Tube (CuNi 90/10)
| Feature | GR2 Titanium Tube | CuNi 90/10 Copper Nickel Tube |
|---|---|---|
| Corrosion Resistance | Excellent | Very Good |
| Seawater Performance | Excellent | Good |
| Resistance to Chloride Attack | Excellent | Good |
| Biofouling Resistance | Excellent | Good |
| Thermal Conductivity | Lower | Higher |
| Weight | Lower | Higher |
| Service Life | Longer in harsh environments | Good |
| Cost | Higher | Lower |
| Typical Applications | Marine condensers, desalination systems | Ship cooling systems, marine heat exchangers |
Copper nickel tubes provide good heat transfer performance, while GR2 titanium tubes are selected when maximum seawater corrosion resistance and minimum maintenance are required.
Manufacturing Process
Quality Inspection
Packaging of GR2 pure titanium tubes
Large-scale factory production of GR2 alloy titanium tubing
| Equipment | Function | Engineering Purpose |
|---|---|---|
| Vacuum Arc Remelting (VAR) Furnace | Produces high-purity titanium ingots | Ensures stable chemical composition for UNS R50400 Grade 2 titanium |
| Hot Extrusion Press | Forms titanium billets into tube blanks | Provides uniform grain structure and base tube geometry |
| Cold Rolling Mill | Reduces wall thickness and improves precision | Enhances dimensional accuracy and mechanical strength |
| Cold Drawing Machine | Refines OD/WT and surface quality | Achieves tight tolerances for heat exchanger tubes |
| Bright Annealing Furnace | Controlled heat treatment process | Produces fully annealed condition for Grade 2 titanium tubes |
| Straightening Machine | Corrects tube bending and deformation | Ensures installation-ready straightness for tube bundles |
| Precision Cutting Machine | Fixed and custom length cutting | Supports engineering drawing requirements |
| Chamfering & End Finishing Machine | Tube end processing | Ensures proper fit-up in tube sheets and welding preparation |
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