Description
Tantalum has great conductive of heat and electricity. Tantalum and tantalum alloy bar is widely used in:
Rods
-Ion sputtering and spray materials
-High-temperature furnace parts
-Prosthetic devices for humans
-Tantalum electrolyte capacitors
-Vacuum electron cathode emission source
We provide Ta metal bar, tantalum cylinder (Ta cylinder) in the length of up to 2m. We also provide tantalum tungsten alloy and bars per request.
Specifications for tantalum and tantalum alloy bar
Process: Forging, Rolled, Cutting, etc.
Specifications: As per ASTM B365
Grades: R05200, R05400, UNS Grade R05252 (Ta2.5W), UNS Grade R05255 (Ta10W), UNS Grade R05240 (Ta40Nb)
Diameter: 4mm x 4mm to 100mm x 100mm, Length: 2000mm Max
Wider bars will be named and blocks.
Mechanical properties for tantalum and tantalum alloy bar
| Product condition | Tensile strength (MPa) | Elongation, % |
| Annealed | 300～600 | 10～30 |
| Half annealed | >600～1000 | <5 |
| Un-annealed | >1000 | <5 |
Chemical compositions for tantalum and tantalum alloy
| Element | R05200 | R05400 | R05255 | R05252 | R05240 |
| C | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
| O | 0.015 | 0.03 | 0.015 | 0.015 | 0.02 |
| N | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
| H | 0.0015 | 0.0015 | 0.0015 | 0.0015 | 0.0015 |
| Fe | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
| Mo | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 |
| Nb | 0.1 | 0.1 | 0.1 | 0.5 | 35.0–42.0 |
| Ni | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
| Si | 0.005 | 0.005 | 0.005 | 0.005 | 0.005 |
| Ti | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
| W | 0.05 | 0.05 | 9.0–11.0 | 2.0–3.5 | 0.05 |
Packaging of our tantalum
ETI’s tantalum is clearly tagged and labeled externally to ensure efficient identification and quality control. Great care is taken to avoid any damage on Ta bars that might be caused during storage or transportation. The outer package is usually a wooden crate.
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