| Diameter[直径] | 0.178mm |
| Length[长度] | 0.1m - 2m |
| Purity[纯度] | 99.97% |
| Temper[状态] | Annealed |
| Typical Analysis(典型分析) |
| Al | 3 PPM |
| B | 1 PPM |
| Ca | 1 PPM |
| Co | 10 PPM |
| Cr | 3 PPM |
| Cu | 2 PPM |
| Fe | 60 PPM |
| K | 1 PPM |
| Mg | 1 PPM |
| Mn | 2 PPM |
| Mo | 30 PPM |
| Ni | 10 PPM |
| Ti | 2 PPM |
| W | 10 PPM |
| Zr | 2 PPM |
| Atomic Properties(原子属性) |
| Atomic number | 75 |
| Atomic weight ( amu ) | 186.20700 |
| Crystal structure | Hexagonal Close Packed |
| Electronic structure | Xe4f¹⁴5d⁵6s² |
| Ionisation potential ( No./eV ) | 1 / 7.87 |
| Ionisation potential ( No./eV ) | 2 / 16.6 |
| Natural isotope distribution ( Mass No./% ) | 187 / 62.6 |
| Natural isotope distribution ( Mass No./% ) | 185 / 37.4 |
| Photo-electric work function ( eV ) | 5.00 |
| Thermal neutron absorption cross-section ( Barns ) | 85.0000 |
| Valences shown | -1 ,1,2,3,4,5,6,7 |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Hard ) | 334.0 |
| Bulk modulus ( GPa ) ( Soft ) | 334.0 |
| Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 700 |
| Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 280 |
| Material condition | Soft |
| Material condition | Hard |
| Poisson's ratio ( Hard ) | 0.260 |
| Poisson's ratio ( Soft ) | 0.260 |
| Tensile modulus ( GPa ) ( Hard ) | 466.00 |
| Tensile modulus ( GPa ) ( Soft ) | 466.00 |
| Tensile strength ( MPa ) ( Hard ) | 2225.00 |
| Tensile strength ( MPa ) ( Soft ) | 1125.00 |
| Yield strength ( MPa ) ( Hard ) | 2150.0 |
| Yield strength ( MPa ) ( Soft ) | 315.0 |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) | 18.7@20℃ |
| Superconductivity critical temperature ( K ) | 1.7000 |
| Temperature coefficient ( K⁻¹ ) | 0.00450 @0-100℃ |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 6.600 @0-100℃ |
| Latent heat of evaporation ( J g⁻¹ ) | 3824 |
| Latent heat of fusion ( J g⁻¹ ) | 179.90 |
| Melting point ( C ) | 3180.00 |
| Specific heat ( J K⁻¹ kg⁻¹ ) | 138.0 @25 |
| Thermal conductivity ( W m⁻¹ K⁻¹ ) | 48.00 @0-100℃ |
| Physical Properties(物理性质) |
| Boiling point ( C ) | 5627 |
| Density ( g cm⁻³ ) | 21.000 @20 |