Tantalum Products | Refractory Metal
Tantalum Tube
Premium tantalum tube and pipe manufactured through seamless extrusion and drawing processes. Available as seamless tubes from 1mm to 150mm outer diameter with wall thicknesses from 0.2mm to 15mm. Our tantalum tubes deliver outstanding corrosion resistance in aggressive chemical environments, exceptional high-temperature performance, and excellent weldability. Essential for chemical heat exchangers, condenser tubes, thermocouple sheaths, furnace components, and acid processing equipment. Manufactured per ASTM B521 with full quality documentation.
✅ Customized-made is available
About Tantalum Tube
Our tantalum tube products are manufactured using state-of-the-art seamless extrusion and cold drawing technology, ensuring uniform wall thickness, excellent surface finish, and consistent mechanical properties. Each tantalum tube undergoes rigorous quality control including hydrostatic pressure testing, ultrasonic inspection, and dimensional verification. Our tantalum tubes are the preferred choice for chemical processing plants, pharmaceutical manufacturers, and aerospace applications where reliable performance in corrosive and high-temperature environments is essential.
Features
- Seamless tantalum tube construction
- OD range: 1mm - 150mm
- Wall thickness: 0.2mm - 15mm
- Superior corrosion resistance to acids
- High-temperature stability to 3017°C
- Excellent weldability and formability
- ASTM B708/B521 compliant
- Hydrostatic and pneumatic tested
- Full material traceability
- Custom lengths and tolerances
Specifications
| Material | Tantalum (Ta), UNS R05200 / R05400 |
|---|---|
| Purity | ≥99.95% |
| Melting Point | 3017°C (5463°F) |
| Density | 16.6 g/cm³ |
| Outer Diameter | 1mm - 150mm |
| Wall Thickness | 0.2mm - 15mm |
| Length | Up to 6000mm |
| Standard | ASTM B521 |
| Surface Finish | Seamless, cold drawn, annealed |
| Testing | Hydrostatic, UT, eddy current |
| Tensile Strength | ≥207 MPa |
| Thermal Conductivity | 57.5 W/(m·K) |
How Tantalum Tube is Manufactured — Production Process
Our tantalum tubes are manufactured through a precision seamless extrusion and cold drawing process that ensures uniform wall thickness, excellent surface finish, and consistent mechanical properties throughout the entire tube length. This manufacturing approach produces tubes with superior integrity compared to welded alternatives, eliminating potential weak points along the tube length.
The process begins with high-purity tantalum billets that are heated to approximately 1200°C and extruded through a die to form a hollow shell. This initial extrusion creates a rough tube with the basic dimensions. The extruded shell then undergoes multiple cold drawing passes through progressively smaller dies, with intermediate vacuum annealing at 800–1100°C to restore ductility between passes. Each drawing pass reduces the outer diameter and wall thickness while improving the surface finish and dimensional accuracy.
Final processing includes vacuum annealing to achieve target mechanical properties, straightening to ensure dimensional compliance, and end finishing. Each tube undergoes hydrostatic pressure testing, ultrasonic inspection for wall thickness uniformity and defect detection, eddy current testing, and dimensional verification. Chemical composition analysis and mechanical testing certify compliance with ASTM B521 standards.
Applications of Tantalum Tube
Tantalum tube products serve critical roles across industries where corrosion resistance and high-temperature performance are essential:
Chemical Heat Exchangers
Tantalum tubes are the material of choice for shell-and-tube heat exchangers in aggressive chemical environments. They provide decades of reliable service in sulfuric acid, hydrochloric acid, and mixed acid environments where stainless steel and nickel alloys fail within months. Tantalum heat exchangers are standard in pharmaceutical, petrochemical, and specialty chemical production.
Condenser and Evaporator Systems
In power generation and industrial cooling systems, tantalum condenser tubes resist corrosion from cooling water contaminants and process-side chemicals. Their excellent thermal conductivity (57.5 W/m·K) ensures efficient heat transfer while maintaining long-term reliability in corrosive condensate environments.
Thermocouple Protection Sheaths
Tantalum tubes serve as protective sheaths for thermocouples in high-temperature, corrosive environments such as molten salt reactors, chemical reactors, and glass melting furnaces. The sheath protects the temperature sensor while allowing accurate thermal measurements up to 1500°C in oxidizing atmospheres.
Pharmaceutical Manufacturing
In pharmaceutical production, tantalum tubes are used in process equipment where product purity and contamination prevention are critical. The material's inertness ensures no metallic contamination of sensitive pharmaceutical compounds, while its cleanability supports stringent GMP requirements.
Acid Processing Equipment
Tantalum tubes are integral components in acid production plants, serving as reactor tubes, transfer lines, and sampling systems. Their resistance to pitting, crevice corrosion, and stress corrosion cracking ensures reliable operation in the most demanding chemical processing environments.
Frequently Asked Questions about Tantalum Tube
Q: What is the maximum length of tantalum tube you can supply?
A: We can supply seamless tantalum tubes up to 6000mm (6 meters) in a single piece. For longer requirements, we offer welded assemblies with full quality documentation.
Q: Are your tantalum tubes seamless or welded?
A: We primarily manufacture seamless tantalum tubes through extrusion and cold drawing processes, which provide superior integrity and corrosion resistance. Welded tubes are also available for larger diameters.
Q: What applications are tantalum tubes used for?
A: Tantalum tubes are primarily used in chemical heat exchangers, condenser tubes, thermocouple protection sheaths, furnace tubes, acid processing equipment, and pharmaceutical manufacturing equipment where corrosion resistance is critical.
Q: What standards do your tantalum tubes comply with?
A: Our tantalum tubes are manufactured in compliance with ASTM B521 (seamless and welded tantalum tubes) and ASTM B708 (tantalum plate, sheet, and strip). We provide full material test reports with each shipment.
Q: Can tantalum tubes be welded on-site?
A: Yes, tantalum has excellent weldability using TIG (GTAW) welding with appropriate shielding gas. We recommend welding in an inert atmosphere or vacuum to prevent oxidation. We also offer pre-welded assemblies and fittings.
