Product Introduction
- In chemical and pressure systems, titanium tubes are often selected based on long-term performance rather than maximum strength values. Engineers typically focus on how the tube behaves after extended exposure to process media, temperature variation, and continuous operation. Factors such as uniform wall thickness, internal surface condition, and material stability are therefore critical.
- Grade 2 seamless titanium tubes are commonly supplied for chemical and process piping instead of load-bearing structures. The material offers sufficient mechanical strength for pressure service, while its corrosion resistance and stable behavior make it suitable for systems operating continuously with aggressive media.
- In practical applications, Gr2 seamless tubes are used in piping and equipment where pressure is present and clearly defined by design. They are widely applied in non-structural systems where service life, corrosion tolerance, and fluid compatibility must remain predictable over long operating periods.
Product Parameter
- The following are typical parameters for Grade 2 seamless titanium tubes produced under standard conditions and supplied in routine sizes.
- Gr2 seamless tubes are widely used in chemical and pressure piping where balanced mechanical properties, corrosion resistance, and stable service behavior are required.
| Item | Specification |
|
Material Grade |
Titanium Grade 2 (Commercially Pure Titanium) |
|
Standard |
ASTM B338 / ASTM B861 |
|
Manufacturing Process |
Extrusion → Cold Rolling / Cold Drawing → Annealing → Straightening → Surface Finishing |
|
Diameter Range |
Ø3.0 mm – Ø200 mm (Customized Available) |
|
Length |
1000–6000 mm (Custom Cutting Accepted) |
|
Wall Thickness |
0.5 mm – 20 mm (depending on OD and process) |
|
Surface Finish |
Polished / Pickled / Sandblasted |
|
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 Test, Ultrasonic Testing (UT), Chemical Composition Analysis (PMI), Mechanical Properties Test, Flare Test (Expanding Test), Flattening Test, Eddy Current Testing (ECT). |
| Common Applications | Aerospace Fasteners, Automotive Performance Parts, High-Strength Mechanical Components, Medical Implants (Non-implant Grade), Sports Equipment, Marine Hardware |
Product Advantages and Practical Performance Characteristics
Quality inspection
Hydrostatic Test
Ultrasonic Testing (UT)
ChemicalCompositionAnalysis(PMI)
MechanicalPropertiesTest
Flaring Test / Flattening Test
EddyCurrentTesting(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 tubes are often selected for fluid lines that run continuously rather than intermittently. The main concern in these systems is not strength margins, but how the tube behaves over time when exposed to corrosive media, temperature fluctuations, and repeated welding during installation or modification.
- They are typically used for acid and alkali service lines, short connecting sections between reaction vessels, heat exchanger tubing, and other process areas where the tube stays in direct contact with corrosive fluids for extended periods.
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.
why choose us
Process-Oriented Tube Supply
We focus on seamless Grade 2 titanium tubes supplied for process and pressure systems rather than general structural use. Tube production is controlled around wall thickness uniformity, internal surface condition, and straightness, which are critical for piping and fluid systems. This approach helps reduce issues during installation and long-term operation.
Wall Thickness & Surface Control
For seamless tubes, consistency matters more than nominal strength. We pay close attention to wall thickness deviation and internal surface cleanliness, especially for chemical and pressure applications. Tubes are supplied after dimensional checks to ensure stable performance in continuous service environments.
Sizes Used in Real Systems
Standard tube sizes are prepared based on common chemical and industrial piping requirements. Cut length, tolerance range, and surface condition are discussed before shipment, allowing tubes to be installed directly without additional sorting or reworking on site.
Direct Engineering Communication
We work directly with buyers and engineering teams who use titanium tubes in real systems. Typical topics such as pressure conditions, media type, surface requirements, and delivery format are clarified early, helping avoid mismatches between drawings, standards, and actual use.
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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