Titanium welded Tube for heat exchanger
Standard:ASTM B337/B338
Material:gr1,gr2,gr7,gr9,Gr12
OD size:5mm above
Application: heat exchanger
Product Introduction
Titanium welded tubes-particularly Grade 2 (Gr2)-are valued for their exceptional corrosion resistance, durability, and thermal conductivity, making them ideal for heat exchangers, condensers, and fluid transport systems in harsh environments.
Although their initial investment is higher than that of common steel pipelines, the long-term economic and operational benefits make them a superior choice for critical industrial applications.
Cost and Lifecycle Advantages
Initial Investment
Titanium welded tubes are more expensive than standard steel pipes but less costly than titanium seamless tubes, offering a balanced cost-performance ratio.
Service Life
Corrosion life: >120,000 hours
Expected service life: Over 60 years, even in harsh marine or chemical environments.
Maintenance Savings
Titanium's outstanding corrosion resistance minimizes maintenance frequency and cost.
In heat exchanger systems, optimized maintenance schedules can reduce operational costs by up to 30% over the lifecycle.
Specifications
| Parameter | Details |
|---|---|
| Material Grades | Gr1, Gr2, Gr7, Gr11, Gr12, Gr17, Nickel, Niobium, Molybdenum |
| Manufacturing Process | Cold Rolled / Welded |
| Processing State | Cold Rolled, Annealed |
| Diameter Range | Φ3 – Φ273 mm |
| Length | Up to 9 m (Cold Rolled), up to 15 m (Welded) |
| Standards | ASTM B337, ASTM B338, ASTM B861 (Seamless), ASTM B862 (Welded) |
| Common Outer Diameters (OD) | 16 mm, 19.05 mm, 22 mm, 25.4 mm, 32 mm, 38 mm |
| Common Wall Thickness | 0.5 mm, 0.6 mm, 0.9 mm, 1.2 mm, 1.5 mm |
| Shapes Available | Round, Square, Rectangular |
| Special Metals | DN80–DN1200 welded pipes in Nickel, Nickel alloys, and other special metals |
Manufacturing and Welding
Titanium welded tubes are produced using advanced joining techniques that ensure high integrity and uniform weld quality:
TIG (Tungsten Inert Gas) Welding
Plasma Welding
Electron Beam Welding
Proper surface finish and weld cleanliness are critical, as impurities or defects may reduce corrosion resistance and mechanical performance.
Mechanical and Physical Considerations
When selecting titanium welded tubes for industrial use, engineers should evaluate:
Alloy composition (e.g., Gr2, Gr12)
Dimensional precision and wall thickness tolerance
Mechanical properties - tensile strength, elongation, and hardness
Surface finish and weld uniformity
These parameters ensure long-term reliability in corrosive, high-pressure, or high-temperature environments.
Applications
Heat Exchangers & Condensers
Excellent thermal conductivity and resistance to corrosion by seawater, chlorides, and acids.
Commonly used in power plants, desalination systems, and chemical processing facilities.
Marine & Offshore Systems
Long service life under seawater exposure.
Ideal for shipbuilding, offshore oil rigs, and cooling systems.
Chemical & Petrochemical Industry
Reliable performance in systems handling oxidizing acids (e.g., H₂SO₄, HNO₃) and alkaline solutions.
Used in piping, reactor coils, and heat recovery systems.
Summary
Titanium Welded Tubes (Gr2 and related alloys) offer a combination of lightweight strength, long-term corrosion resistance, and thermal efficiency that traditional metals cannot match. Their decades-long service life, minimal maintenance requirements, and outstanding reliability make them the preferred material for critical process equipment in marine, chemical, and energy industries.
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