Tantalum Bar and Rod (High Purity)
Princeton Powder is a leading supplier of tantalum rods and bars in the United States, providing materials that comply with ASTM B365 standards for quality and performance. Our tantalum rods and bars are available in various diameters, making them ideal for a wide range of applications, including aerospace, medical devices, and chemical processing. Utilizing advanced manufacturing techniques such as hot rolling and annealing, we enhance the mechanical properties and ensure high purity of our products. Committed to excellence, we deliver tantalum rods and bars that meet the stringent requirements of our customers across diverse industries.
Material | Tantalum Rod, Ta Bar |
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 | >0.125″ diameter x L, customized |
Form | Annealed |
Surface Treatment | Pickling or Polishing |
Description of Tantalum Rod and Bar
Tantalum, symbolized as Ta and atomic number 73, is a dense, lustrous metal recognized for its exceptional strength, outstanding corrosion resistance, and high melting point. These properties make it invaluable in industries such as aerospace, electronics, and medical technology, where it can endure extreme environments and maintain performance. Tantalum rods and bars are commonly used in applications like high-performance capacitors, surgical implants, and chemical processing equipment. Their unique characteristics ensure reliability and durability, making tantalum an essential material for demanding applications.
Chemical Compositions of Pure Tantalum and Ta alloy Rod/Bar
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 Rod and Bar
| Product condition | Tensile strength (MPa) | Elongation, % |
| Annealed | 300～600 | 10～30 |
| Half annealed | >600～1000 | <5 |
Unannealed | >1000 | <5 |
Application
Tantalum rods and bars are widely used in the aerospace industry for components that require high strength and corrosion resistance, such as turbine engines and structural parts. In the electronics sector, they are critical for manufacturing capacitors and resistors due to their excellent conductivity and reliability. Additionally, tantalum rods and bars find applications in the medical field for surgical implants and devices, leveraging their biocompatibility and durability. Their unique properties also make them suitable for chemical processing equipment, where they withstand harsh environments and corrosive substances.