1. Tantalum Bar, Tantalum Rod, Tantalum Tube
2. Tatalum Bar Standard Spec ASTM B365
3. Pure Tantalum, Ta-2.5W, Ta-10W
4. SGS
Physical Properties | Tantalum | |
Atomic Number | 180.95 | |
Density | 16.6 g/cc | |
Melting Point | 3290 K, 2996°C, 5462°F | |
Boiling Point | 5731 K, 6100°C, 9856°F | |
Coefficient of Thermal Expansion (20°C) | 6.5 x 10(-6) / °C | |
Electrical Resistivity (20°C) | 13.5 microhms-cm | |
Electrical Conductivity | 13% IACS | |
Specific Heat | .036 cal/g/°C | |
Thermal Conductivity | .13 cal/cm(2)/cm°C/sec | |
Annealed | Ultimate Tensile Strength | 285 M Pa (41 ksi) |
Yield Strength | 170 M Pa (25 ksi) | |
% Elongation | 30%+ | |
%Reduction in Area | 80% + | |
Cold Worked | Ultimate Tensile | 650 M Pa |
Strength | (95 ksi) | |
% Elongation | 5% | |
Hardness | Annealed | 90 HV |
Cold Worked | 210 HV | |
Poisson's Ratio | 0.35 | |
Strain Hardening Exponent | 0.24 | |
Elastic Modulus Tension | 186 G Pa (27 x 10(-6) psi) | |
Ductile Brittle Transition Temperature | < 75 ° K | |
Recrystallization Temperature | 900 - 1200 °C |