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Tantalum is a very hard, ductile refractory metal which is commonly used in high- temperature applications. With its high melting point and resistance to corrosion, Nanmac utilizes Tantalum for our thermocouple sheaths when environmental conditions aren’t appropriate for Molybdenum sheaths.

| Symbol | Ta |
| Atomic Number | 73 |
| Atomic Weight | 180.95 u |
| Density | 16.69 g/cm3 at 20°C |
| Melting Point | 3,017°C (5,463°F) |
| Boiling Point | 5,458°C (9,856°F) |
| Thermal Conductivity | 57.5 W/m·K |
| Electrical Resistivity | 131 nΩ·m (at 20°C) |
| Electromegativity | 1.5 Paulings |
| Specific Heat | 0.14 J/g·K |
| Heat of Vaporization | 732 kJ/mol |
| Heat of Fusion | 36.57 kJ/mol |
| Modulus of Elasticity | 186 GPa |
| Thermal Coefficient of Expansion | 6.3 μm/m·K (at 25°C) |
| Electrical Conductivity | ~7.63% IACS |
| Temperature Range | 2,996°C |
| Oxidation Resistance | Excellent |
| Thermal Conductivity | Fair |
| Applications | Corrosive environments, gases/ liquids, Vacuum Furnaces |
| OD | Wall | ID | Length (Min/Max) |
| 0.125" | 0.015" | 0.110" | 3.00 - 49.00 |
| 0.188" | 0.020" | 0.168" | 3.00 - 50.00 |
| 0.250" | 0.050" | 0.200" | 3.00 - 42.00 |
Please contact us to request a quote.
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