B338 Seamless GR2 Titanium Alloy Pipe
GR2 Titanium Tubing is a pure titanium material with excellent electrical conductivity and corrosion resistance. It has good machinability and is easy to process into various shapes and sizes.
Description
What Is ASTM B338 Grade 2 Titanium Tube?
ASTM B338 Grade 2 Titanium Tube is a commercially pure titanium tube manufactured for condensers, heat exchangers, and other corrosion-resistant service applications. Also referred to as ASTM B338 Gr2 Titanium Tube, Grade 2 Titanium Heat Exchanger Tube, or UNS R50400 Titanium Tube, it is one of the most widely specified titanium tubing materials in chemical processing, seawater cooling, desalination, offshore engineering, and power generation industries.
Advantages of GR2 seamless titanium tube
High strength and light weight: titanium alloy seamless tube maintains high strength with low density, which helps to reduce weight and improve the efficiency of use.
Corrosion resistance: good resistance to many kinds of corrosive media, such as seawater, acid and alkali.
Good machinability: seamless tubes after special process have good weldability and machinability.
First-class GR2 titanium tube production process
ASTM B338 Grade 2 Titanium Tube Specifications
| Item | Specification |
|---|---|
| Product Name | ASTM B338 Grade 2 Titanium Tube |
| Material Grade | Grade 2 Titanium (Gr2) |
| UNS Number | UNS R50400 |
| Standard | ASTM B338 / ASME SB338 |
| Product Forms | Straight Tube, U-Bend Tube, Coil Tube, Tube Bundle |
| Manufacturing Method | Seamless / Welded |
| Outside Diameter | 3.18–114.3 mm (Custom Available) |
| Wall Thickness | 0.3–5.0 mm |
| Length | Random, Fixed or Customized |
| Surface Finish | Pickled, Bright Annealed, Polished |
| Heat Treatment | Annealed |
| End Finish | Plain End, Beveled End |
| Inspection | Eddy Current, Hydrostatic, Ultrasonic, PMI |
| Certificate | EN 10204 3.1 / MTC |
| Typical Applications | Heat Exchangers, Condensers, Desalination, Marine, Chemical Processing, Power Plants |
Grade 2 Titanium vs Other Titanium Grades
Grade 2 titanium offers an excellent combination of corrosion resistance, moderate strength, outstanding weldability, and competitive cost, making it the preferred choice for seawater cooling systems, chemical processing equipment, desalination plants, and power generation facilities. However, applications involving stronger reducing acids, higher operating temperatures, or higher mechanical loads may require other titanium grades.
| Grade | Type | Strength | Corrosion Resistance | Weldability | Typical Applications |
|---|---|---|---|---|---|
| Grade 1 | Commercially Pure Titanium | Low | Excellent | Excellent | Chemical equipment, highly formable tubing |
| Grade 2 | Commercially Pure Titanium | Medium | Excellent | Excellent | Heat exchangers, condensers, seawater cooling, desalination |
| Grade 7 | Ti-Pd Alloy | Medium | Outstanding | Excellent | Acid handling, flue gas desulfurization, chlorate production |
| Grade 12 | Ti-Ni-Mo Alloy | High | Excellent | Very Good | Pressure vessels, chemical reactors, high-temperature heat exchangers |
| Grade 5 (Ti-6Al-4V) | Alpha-Beta Alloy | Very High | Good | Good | Aerospace, medical, structural components |
Applications of B338 Seamless GR2 Titanium Pipe
| Application | Typical Components | Advantages of GR2 Titanium Pipe |
|---|---|---|
| Heat Exchangers | Heat exchanger tubes, condenser tubes, cooling tubes | Excellent corrosion resistance and reliable heat transfer performance |
| Power Generation | Steam condenser tubes, cooling water systems | Long service life and stable operation in cooling environments |
| Marine Engineering | Ship condensers, seawater cooling systems, offshore equipment | Outstanding resistance to seawater and chloride corrosion |
| Desalination Plants | Evaporator tubes, seawater treatment equipment | Excellent performance in high-salt environments |
| Chemical Processing | Process piping, heat transfer equipment, reaction systems | High corrosion resistance and excellent weldability |
| Oil & Gas Industry | Offshore cooling systems, heat exchangers | Lightweight and reliable in harsh environments |
Common Applications of B338 GR2 Titanium Pipe
Shell & Tube Heat Exchangers
Power Plant Condensers
Marine Heat Exchangers
Seawater Cooling Systems
Desalination Equipment
Chemical Processing Equipment
Offshore Engineering Systems
Supply of GR2 pure titanium tubes with excellent performance
Highly reliable factory supply GR2 titanium products
We are a professional titanium tube manufacturer equipped with advanced production and inspection facilities for ASTM B338 Seamless GR2 Titanium Tubes. Our factory covers the complete manufacturing process, including raw material preparation, tube extrusion, cold drawing, heat treatment, straightening, surface treatment, and final inspection.
Our manufacturing capabilities include customized sizes, surface finishes, and supply conditions according to customer requirements. Each batch of titanium tubes is inspected with professional testing equipment and supplied with EN 10204 3.1 Mill Test Certificate to guarantee material traceability and compliance with international standards.
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