Tantalum (Ta) is a highperformance refractory metal known for its exceptional corrosion resistance, high melting point, and excellent biocompatibility. Its stability in aggressive chemical environments and strength at elevated temperatures make it valuable across electronics, chemical processing, and hightemperature engineering.
In electronics, Tantalum is essential for highcapacitance, longlife capacitors used in smartphones, automotive systems, aerospace electronics, and other highreliability devices. It also supports semiconductor manufacturing through thinfilm coatings and sputtering targets.
Tantalum’s outstanding resistance to acids makes it ideal for heat exchangers, reactor vessels, and chemicalprocessing equipment. Its hightemperature strength enables use in furnace components, aerospace parts, and superalloy reinforcement. Its biocompatibility also supports medical implants and surgical tools.
With its combination of chemical inertness, thermal resilience, and electronic performance, Tantalum is a key material for advanced electronics, chemical systems, and hightemperature industrial applications.
General Properties
| Properties | Value |
| Element Name | Tantalum |
| Symbol | Ta |
| Atomic Number | 73 |
| CAS Number | 7440257 |
| EC (EINECS) Number | 2311355 |
| Appearance | Gray to bluegray, lustrous metallic solid |
| Atomic Weight | 180.9479 (≈180.95) |
| Density | 16.4–16.69 g/cm³ at 20 °C |
| Melting Point | 3017 °C (3290 K) |
| Boiling Point | 5455–5458 °C (5728–5731 K) |
| Crystal Structure | Bodycentered cubic (bcc) |
| Hardness | Mohs ~6.5; Vickers ~870–1200 MPa |
| Thermal Conductivity | ~57–57.5 W/(m·K) |
| Electrical Resistivity | ~131 nΩ·m at 20 °C (≈1.34×10⁻⁵ Ω·cm) |
| Electronegativity (Pauling) | 1.5 |
Product Availability
We supply high purity Tantalum (Ta) pellets, shot, ingots, powders, oxides, alloys and precision machined parts engineered for industrial applications requiring exceptional
thermal resistance.
| Purity | Up to 99.999% (5N) |
| Forms | Pellets, Shot, Ingots, powders & oxide or custom req |
| Components | machined or customfabricated Based on drawings |
| Packaging | Vacuumsealed, moistureprotected packaging |
For inquiries regarding Tantalum materials, alloys and parts, please contact our sales team for details at sales@american-gmg.com.