Tantalum Wire (Straight Wire, Spooled and Coiled Wire)
Princeton Powder is a premier supplier of tantalum wire in the United States, offering materials that meet ASTM B365 standards for quality and performance. We provide tantalum wire in a variety of diameters, making it suitable for diverse applications, including electronics, medical devices, and chemical processing. Our manufacturing processes include advanced techniques such as cold drawing and annealing, which enhance the wire’s mechanical properties and ensure high purity. With a commitment to excellence, we deliver tantalum wire that meets the stringent requirements of our customers across various industries.
Material | Tantalum Wire, Ta Wire |
CAS Number | 7440-25-7 |
Standard | ASTM B365, ASTM F560 (Medical Grade) |
Grade | R05200, R05400, R05252 (Ta2.5W), R05255 (Ta10W), R05240 (Ta40Nb) |
| Density | 16.65 g/cm3 |
Melting Point | 3020 ℃ |
Diameter | 0.004″ – 0.125″ diameter x L, customized |
Form | Straight Wire, Coiled Wire, Spooled Wire |
Surface Treatment | Pickling or Polishing |
Description of Tantalum Wire
Tantalum wire is a high-purity metal wire known for its exceptional corrosion resistance and high melting point. It is widely used in the electronics industry for manufacturing capacitors, where its conductive properties are essential. Due to its biocompatibility, tantalum wire is also utilized in medical applications, including implants and surgical devices. Its unique properties make it suitable for various demanding environments, such as chemical processing and aerospace.
Chemical Compositions of Pure Tantalum and Ta alloy Wire
Grade | Chemical Composition (≤%） | |||||||||||
Ta | Fe | Si | Ni | W | Mo | Ti | Nb | O | C | H | N | |
Ta1 | Bal. | 0.005 | 0.005 | 0.002 | 0.01 | 0.01 | 0.002 | 0.03 | 0.015 | 0.01 | 0.0015 | 0.01 |
Ta2 | Bal. | 0.03 | 0.02 | 0.005 | 0.04 | 0.03 | 0.005 | 0.1 | 0.02 | 0.01 | 0.0015 | 0.01 |
TaNb3 | Bal. | 0.03 | 0.03 | 0.005 | 0.04 | 0.03 | 0.005 | <3.5 | 0.02 | 0.01 | 0.0015 | 0.01 |
TaNb20 | Bal. | 0.03 | 0.03 | 0.005 | 0.04 | 0.03 | 0.005 | 17.0-23.0 | 0.02 | 0.01 | 0.0015 | 0.01 |
Ta2.5W | Bal. | 0.005 | 0.005 | 0.002 | 3.0 | 0.01 | 0.002 | 0.04 | 0.015 | 0.01 | 0.0015 | 0.01 |
Ta10W | Bal. | 0.005 | 0.005 | 0.002 | 11 | 0.01 | 0.002 | 0.04 | 0.015 | 0.01 | 0.0015 | 0.01 |
Physical Properties of Tantalum Wire
| Product condition | Tensile strength (MPa) | Elongation, % |
| Annealed | 300～600 | 10～30 |
| Half annealed | >600～1000 | <5 |
Unannealed | >1000 | <5 |
Application
Tantalum wire is widely used in the electronics industry for manufacturing capacitors and resistors, thanks to its excellent conductivity and resistance to corrosion. In the medical field, it is employed in surgical implants and devices due to its biocompatibility and strength. Additionally, tantalum wire finds applications in chemical processing and aerospace industries, where its high melting point and durability are critical for components exposed to harsh environments.