Key Features

No Weld Seam. Superior Corrosion Resistance. Long Service Life.

Seamless construction for maximum reliability
Excellent seawater corrosion resistance
High strength-to-weight ratio
Long service life
Smooth internal surface
Excellent heat transfer performance
Resistant to chloride and brine environments
Suitable for high-pressure applications

Product Types

Seamless Titanium Tubes
Titanium Heat Exchanger Tubes
Titanium Condenser Tubes
Thin Wall Seamless Titanium Tubes
Titanium U Bend Tubes
Titanium Coil Tubes
Precision Seamless Titanium Tubes

Available Grades

Titanium Grade 1
Titanium Grade 2
Titanium Grade 5 (optional)
Titanium Grade 7 (optional)
Titanium Grade 9 (optional)
Titanium Grade 12 (optional)

Technical Specifications

Parameter	Range
Outer Diameter	6 mm – 273 mm
Wall Thickness	0.5 mm – 25 mm
Length	Up to 18,000 mm
Shape	Straight / U Bend
Surface	Pickled / Bright
Standard	ASTM B338 / ASTM B861
Manufacturing	Seamless

Material Grades:

Grade	UNS	Common Name	Key Properties	Typical Applications
Gr 1	R50250	Pure Titanium	Best formability, excellent corrosion resistance	Chemical processing linings, medical implants, plate heat exchangers.
Gr 2	R50400	Pure Titanium	Standard grade, optimum balance of strength & corrosion resistance	Heat exchangers, piping systems, seawater desalination units.
Gr 5	R56400	Ti-6Al-4V	Highest strength titanium alloy, good weldability	Aerospace structural components, aircraft engine parts, high-performance automotive.
Gr 7	R52400	Pd Alloy	Enhanced corrosion resistance, excellent for reducing acids	Chemical processing industry, high-concentration chloride environments.
Gr 9	R56320	Ti-3Al-2.5V	Intermediate strength, excellent welding and forming properties	Aircraft hydraulic tubing, bicycle frames, marine fittings.
Gr 12	R53400	Ti-0.3Mo-0.8Ni	Improved high-temperature creep strength	Shell and tube heat exchangers, hydrometallurgy applications.

Chemical Composition

The chemical composition of seamless titanium tubes varies depending on the grade and application requirements. Titanium alloys typically consist of high-purity titanium with controlled additions of alloying elements to enhance strength, corrosion resistance, and mechanical performance.

The following table shows the typical chemical composition (weight %, maximum unless otherwise specified) according to ASTM standards.

Chemical Composition of Seamless Titanium Tubes

Element	Grade 1 (UNS R50250)	Grade 2 (UNS R50400)	Grade 5 (Ti-6Al-4V, UNS R56400)	Grade 9 (Ti-3Al-2.5V, UNS R56320)
Nitrogen (N)	0.03%	0.03%	0.05%	0.02%
Carbon (C)	0.08%	0.08%	0.08%	0.02%
Hydrogen (H)	0.015%	0.015%	0.015%	0.0125%
Iron (Fe)	0.20%	0.30%	0.40%	0.25%
Oxygen (O)	0.18%	0.25%	0.20%	0.12 – 0.18%
Aluminum (Al)	—	—	5.50 – 6.75%	2.50 – 3.50%
Vanadium (V)	—	—	3.50 – 4.50%	2.00 – 3.00%
Titanium (Ti)	Balance	Balance	Balance	Balance

Mechanical Properties

The mechanical properties of seamless titanium tubes depend on the material grade and heat treatment condition. Titanium tubes offer high strength, excellent ductility, and superior fatigue resistance, making them suitable for demanding industrial applications.

The table below shows the minimum mechanical properties at room temperature in annealed condition.

Mechanical Properties of Seamless Titanium Tubes

Property	Grade 1	Grade 2	Grade 5	Grade 9
Tensile Strength (min)	240 MPa	345 MPa	895 MPa	620 MPa
Yield Strength (0.2%, min)	170 MPa	275 MPa	825 MPa	483 MPa
Elongation (min)	24%	20%	10%	15%
Hardness (Typical Max)	Brinell 120	Brinell 140	Brinell 334	Brinell 250

Grade Selection Guide

Grade 1
Best ductility and excellent corrosion resistance, suitable for heat exchangers and marine applications.

Grade 2
Most widely used titanium grade with balanced strength and corrosion resistance.

Grade 5 (Ti-6Al-4V)
High strength titanium alloy used in aerospace and high-performance applications.

Grade 9 (Ti-3Al-2.5V)
Medium strength alloy with good formability, commonly used for tubing and structural components.

Applications

Seamless titanium tubes are widely used in:

Heat Exchangers

Shell and tube heat exchangers
Titanium tube heat exchangers
Seawater heat exchangers
Cooling systems

Condensers

Surface condensers
Power plant condensers
Marine condensers

Marine Industry

Seawater cooling systems
Offshore equipment
Shipbuilding systems

Chemical Industry

Corrosive media heat exchangers
Acid cooling systems
Chemical processing equipment

Power Generation

Thermal power plants
Nuclear power plants
Cooling water systems

FAQ

What is seamless titanium tubing?
Seamless titanium tubes are produced without welding, offering higher reliability and strength.

Which grade is most common?
Grade 2 titanium is most widely used.

Are seamless titanium tubes used for heat exchangers?
Yes, they are widely used for heat exchanger and condenser applications.

Can you supply U bend tubes?
Yes, U bend seamless titanium tubes are available.

What standard do you supply?
ASTM B338 and ASTM B861.

Seamless Titanium Tubes

High Performance Titanium Tubing for Corrosive Environments