Tantalum (Ta) is a heavy, dark blue-gray metal that is tough and highly resistant to corrosion. It can withstand chemicals at temperatures below 150 °C and can only be dissolved with hydrofluoric acid. Tantalum has the fourth-highest melting point of all metals and can create very thin protective layers, making it great for high-quality capacitors and tubes.
Tantalum is used to make both welded and seamless tubes and pipes. Seamless tantalum tubes and pipes are made using methods like extrusion or deep-drawing from sheet metal. Welded tantalum tubes and pipes are created by shaping a strip into a tube and then welding the joint using gas tungsten arc welding.
Our tantalum alloy seamless tubes are more reliable than regular welded tubes. We start by piercing large billets and then forging the tubes to the size you need. This method removes weak spots, like welds that might crack or holes from rolling. We also perform tests, like eddy current tests to find leaks and pressure tests to make sure there are no leaks..
Tantalum tubes are the most corrosion-resistant refractory metal. They have a natural oxide layer that protects them from corrosive acids, making them suitable for many exchangers. Tantalum is also a good choice for high-temperature applications, including heating coils, due to its high melting point of 2996 °C.
Discover our premium tantalum products, including pipes, tubes, flanges, and fittings, known for their exceptional durability and corrosion resistance.
Check our tantalum tube price list for competitive rates on high-quality tubes with purities of 99.95% and 99.99%. Prices vary based on size and specifications. For a detailed quote tailored to your needs, please reach out to us directly.
Tantalum Tubes 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% |
Tantalum Tubes Chemical Composition
| Element | R05200 (%,Max) | R05400 (%,Max) |
|---|---|---|
| C | 0.01 | 0.01 |
| O | 0.015 | 0.03 |
| N | 0.01 | 0.01 |
| H | 0.0015 | 0.0015 |
| Fe | 0.01 | 0.01 |
| Mo | 0.02 | 0.02 |
| Nb | 0.1 | 0.1 |
| Ni | 0.01 | 0.01 |
| Si | 0.005 | 0.005 |
| Ti | 0.01 | 0.01 |
| W | 0.05 | 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 Tubes 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 |
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