Tantalum Pipes and Tubes
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Tantalum (Ta) is a heavy, dark blue-gray metal known for its exceptional corrosion resistance, ductility, and hardness. It is highly resistant to most chemicals at temperatures below 150°C and can only be dissolved with hydrofluoric acid. With the fourth-highest melting point among all metals, tantalum also forms very thin and protective oxide layers, making it perfect for use in high-quality capacitors.
Tantalum is used to create both welded and seamless tubes/pipes, which have various applications. Seamless tantalum tubes and pipes are produced through extrusion, tube reduction, or deep-drawing from sheet metal. On the other hand, welded tantalum tubes & pipes are made by forming a strip into a tube shape and then welding the joint using gas tungsten arc welding.
Tantalum Tube & Pipe Specification
| Outer Diameter | 1.0~150mm |
| Wall Thickness | 0.2~5.0mm |
| Length | 200~6000mm |
| Material | R05200, R05400 |
| Standatd | ASTM B521-98 |
| Purity | 99.95% or 99.99% |
Chemical Composition of Tantalum Pipes & Tubes
|
Element |
R05200 (%,Max) |
R05400 (%,Max) |
|
C |
0.0006 |
0.01 |
|
O |
0.012 |
0.03 |
|
N |
0.001 |
0.01 |
|
H |
0.0005 |
0.0015 |
|
Fe |
0.0022 |
0.01 |
|
Mo |
0.002 |
0.02 |
|
Nb |
0.01 |
0.1 |
|
Ni |
0.0012 |
0.01 |
|
Si |
0.0029 |
0.005 |
|
Ti |
0.0012 |
0.01 |
|
W |
0.003 |
0.05 |
Tantalum Tubes Mechanical Properties
| Grade | Tensile strength δbpsi (MPa)， ≥ | Yield strength δ0.2， psi (MPa)，≥ | Elongation in 1″/2″ gage length， ％， ≥ |
|---|---|---|---|
| RO5200/RO5400 | 30000 (207) | 20000 (138) | 25 |
| RO5252 | 40000 (276) | 28000 (193) | 20 |
| RO5255 | 70000 (481) | 60000 (414) | 15 |
| RO5240 | 40000 (276) | 28000 (193) | 20 |
| Special requirements to be agreed on by the supplier and buyer of negotiation | |||
Diameter & Wall Thickness of Tantalum Tubes
| Outside diameter， inch (mm) | Diameter tolerance， inch(mm)， +/- | Permissible variaton in wall thickness， ％， +/- |
|---|---|---|
| <1 (25.4) | 0.004 (0.102) | 5 |
| 1~1.5 (25.4~38.1) | 0.005 (0.127) | 5 |
| 1.5~2 (38.1~50.8) | 0.006 (0.152) | 5 |
| 2~2.5 (50.8~63.5) | 0.007 (0.178) | 5 |
| 2.5~3.5 (63.5~88.9) | 0.010 (0.254) | 5 |
Tantalum Tube Dimensions and Tolerance
| Chemistry % | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Designation | Chief component | Impurities maxmium | |||||||||||
| Ta | Nb | Fe | Si | Ni | W | Mo | Ti | Nb | O | C | H | N | |
| Ta1 | Remainder | 0.004 | 0.003 | 0.002 | 0.004 | 0.004 | 0.002 | 0.03 | 0.015 | 0.004 | 0.0015 | 0.002 | |
| Ta2 | Remainder | 0.01 | 0.01 | 0.005 | 0.02 | 0.02 | 0.005 | 0.08 | 0.02 | 0.01 | 0.0015 | 0.01 | |
| Outside diameter, inch (mm) | Diameter tolerance, inch(mm), +/- | Permissible variaton in wall thickness, %, +/- |
|---|---|---|
| <1 (25.4) | 0.004 (0.102) | 5 |
| 1~1.5 (25.4~38.1) | 0.005 (0.127) | 5 |
| 1.5~2 (38.1~50.8) | 0.006 (0.152) | 5 |
| 2~2.5 (50.8~63.5) | 0.007 (0.178) | 5 |
| 2.5~3.5 (63.5~88.9) | 0.010 (0.254) | 5 |
Tantalum Tube & Pipe Applications:
- Chemical Equipment: Tantalum tubes and pipes are widely used in chemical processing, especially in heat transfer equipment, due to their excellent corrosion resistance, high-temperature tolerance, and solid mechanical properties.
- Electrical Applications: Thanks to their high melting point and strong corrosion resistance, tantalum tubes and pipes are ideal for various electrical applications.
- Aerospace & Defense: In the aerospace and defense sectors, tantalum is valued for its strength, hardness, and lightweight properties. It is highly resistant to corrosion and extreme temperatures, making it ideal for demanding environments.
- Nuclear Power: Tantalum tubes and pipes are used in nuclear power plants because they can withstand high temperatures, radiation, and corrosive environments, ensuring long-lasting performance.
- Medical Applications: Tantalum’s biocompatibility and corrosion resistance make it suitable for medical instruments and dental tools, ensuring safe and reliable use in the human body.
- Heat Exchangers: Tantalum’s ability to efficiently transfer heat and resist corrosion makes it a popular choice for heat exchangers, improving performance and longevity.
Supply and Exporter
FAQs
Tantalum tube is a heavy, ductile, and corrosion-resistant metal tube made from tantalum. It withstands chemicals at temperatures below 150 °C and resists hydrofluoric acid.
Tantalum is used in high-temperature applications like aircraft engines, electrical devices such as capacitors, surgical implants, and equipment for handling corrosive chemicals due to its durability.
Tantalum is primarily used in producing electronic components, where an oxide layer on its surface serves as an insulating dielectric layer. Its ability to coat other metals with a thin layer allows for high capacitance in a compact form.
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