Product Introduction
- Grade 2 seamless titanium tube is used in chemical processing and pressure-based fluid systems where piping connects pumps, valves, reactors, tanks, filters and other process equipment. The main purchasing considerations are compatibility with the working medium, wall thickness, joining method and piping layout rather than heat-transfer duty.
- Commercially pure Grade 2 titanium provides practical welding and fabrication performance for straight process lines, short connection pieces, sampling lines and equipment tie-ins. Fixed lengths, surface condition and tube-end preparation can be specified according to the installation and maintenance requirements.
- Material suitability should be confirmed according to fluid composition, concentration, operating temperature, pressure, flow condition, possible crevice areas and the required inspection scope.
Product Parameter
- Grade 2 seamless titanium tube for chemical service is normally ordered by outside diameter, wall thickness, length, tolerance, surface condition and supply condition.
- Buyers should also confirm the working medium, operating pressure and temperature, piping arrangement, connection method and required tube-end preparation.
- The table below shows the general supply range. Non-standard dimensions, fixed lengths and project-specific inspection requirements can be reviewed according to drawings and order quantity.
| Item | Specification |
|
Material Grade |
Titanium Grade 2 / UNS R50400 |
|
Standard |
ASTM B338 |
|
Manufacturing Process |
Extrusion → Cold Rolling / Cold Drawing → Annealing → Sizing & Straightening → Surface Finishing |
|
Diameter Range |
Ø6 mm-Ø114 mm (Customized Available) |
|
Length |
Up to 6000 mm, fixed-length or cut-to-length supply |
|
Wall Thickness |
0.5 mm-6.0 mm, depending on OD and manufacturing process |
|
Surface Finish |
Pickled / Bright Annealed / Polished |
|
Mechanical Properties |
Tensile Strength: ≥345 MPa, Yield Strength: ≥275 MPa, Elongation: ≥20% |
|
Chemical Composition |
Fe ≤0.30%, O ≤0.25%, C ≤0.08%, N ≤0.03%, H ≤0.015%, Ti balance |
|
Testing |
Hydrostatic Testing, Eddy Current Testing (ECT), Ultrasonic Testing (UT), Dimensional Inspection, Mechanical Properties Testing, Chemical Composition Analysis |
| Common Applications | Chemical Transfer Lines, Reactor and Vessel Connections, Pump and Valve Piping, Sampling and Instrument Lines, Seawater and Desalination Process Tubing |
Product Advantages and Practical Performance Characteristics
Quality inspection
Hydrostatic Test
Ultrasonic Testing (UT)
Chemical Composition Analysis
Mechanical Properties Test
Flaring Test / Flattening Test
Eddy Current Testing (ECT)
Mechanical Use Scope (Grade 2 Seamless Titanium Tube)
- Grade 2 seamless titanium tubes are typically used in pressure-bearing piping and fluid handling systems where mechanical loads are defined by internal pressure rather than structural stress.
- Their mechanical performance is evaluated based on wall thickness consistency, dimensional accuracy, and pressure stability, rather than high-strength design margins.
- The material provides reliable strength for standard pressure service when operating conditions are clearly specified.
Fabrication and Processing Notes
- Grade 2 seamless tubes show stable behavior during cutting, welding, and tube fitting operations.
- Uniform grain structure and clean internal surfaces support consistent forming, flaring, and orbital welding.
- No post-forming heat treatment is normally required for standard chemical or process piping applications.
Application Areas
Heat Exchangers & Thermal Equipment
- In heat exchange equipment, Grade 2 seamless titanium tubes are commonly used as heat transfer tubes. Their advantages lie in their excellent resistance to various cooling waters, aqueous solutions, and chlorine-containing media, while maintaining stable thermal conductivity.
- They are commonly found in shell-and-tube heat exchangers, condensers, evaporators, and industrial cooling systems, and are particularly suitable for applications requiring long-term operational stability.
Chemical & Process Piping Systems
- In chemical plants, Grade 2 seamless titanium tube is used for continuous fluid transfer where the pipework remains in direct contact with the process medium. The review should cover fluid composition, temperature, pressure, flow condition, welding arrangement and possible stagnant or crevice-prone locations.
- Typical uses include acid and alkali transfer lines, drain and return lines, dosing or sampling lines, and connections between process units where corrosion control and maintenance access are important.
Seawater & Desalination Systems
- Grade 2 titanium tubing exhibits excellent resistance to pitting and crevice corrosion in seawater environments, making it suitable for use in seawater transportation, pretreatment, and desalination system pipelines.
- Typical applications include seawater cooling lines, reverse osmosis pretreatment systems, water intake and discharge sections, and coastal or offshore facilities with specific requirements for material lifespan and maintenance cycles.
Packaging and transportation
- Grade 2 seamless titanium tubes are usually packed with basic surface protection to avoid scratches and contact damage during handling. Tubes are wrapped or sleeved individually and kept clean before packing.
- For shipment, tubes are placed in wooden crates or reinforced cartons according to length and quantity. Simple spacers or supports are used inside the package to reduce movement and keep the tubes straight during transport.
- Packaging details may vary depending on shipping method and destination. The goal is to keep the tubes stable and in good condition throughout domestic and overseas transportation.
What Buyers Should Confirm for Grade 2 Titanium Tube
Working Medium and Temperature
Confirm the fluid composition, concentration, operating temperature, flow condition, and possible crevice areas before material selection.
Tube Size and Flow Path
Outside diameter, wall thickness, internal cleanliness, straightness and surface condition should match the piping layout, fluid condition and joining method.
Connection and End Preparation
Fixed length, cut tolerance, square-cut ends, beveling, orbital-weld preparation and fitting compatibility should be confirmed according to the installation drawing.
Inspection and Documentation
Hydrostatic testing, ECT, UT, dimensional inspection, mechanical testing, and MTC documentation can be specified with the order.
FAQ
Q: Is the inner surface suitable for fluid and chemical service?
A: The tube is supplied clean and free from visible scale.
For process lines, inner surface condition is usually more important than appearance.
Q: Can Gr2 seamless tube handle pressure in chemical systems?
A: Yes, within normal process pressure ranges.
It is selected for stability and corrosion resistance, not for high structural load.
Q: How consistent are OD, wall thickness, and straightness?
A: Wall thickness and straightness are controlled during production.
These points affect fitting, welding, and long pipe installation more than strength values.
Q: How are the tubes supplied for site use?
A: Tubes are delivered straight, protected, and ready for cutting or welding.
Cut length, marking, and packing are usually confirmed before shipment.
Product testing certificate
Contact us
Whats App
Address
No. 107, Gaoya Industrial Park, Baotai Road, Weibin District, Baoji City, Shaanxi Province
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