| Diameter[直径] |
50.8mm |
| Purity[纯度] |
99.9% |
| Thickness[厚度] |
2mm |
| Typical Analysis(典型分析) |
| B |
<10 PPM |
| C |
25 PPM |
| Cu |
<5 PPM |
| Fe |
30 PPM |
| H |
<10 PPM |
| Mo |
10 PPM |
| N |
20 PPM |
| Ni |
<5 PPM |
| O |
100 PPM |
| Si |
100 PPM |
| Ta |
500 PPM |
| Ti |
<10 PPM |
| W |
<100 PPM |
| Zr |
<10 PPM |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Hard ) |
170.3 |
| Bulk modulus ( GPa ) ( Soft ) |
170.3 |
| Hardness - Vickers ( kgf mm?? ) ( Hard ) |
160 |
| Hardness - Vickers ( kgf mm?? ) ( Soft ) |
115 |
| Izod toughness ( J m?? ) ( Soft ) |
10 - 120 |
| Material condition |
Hard |
| Material condition |
Soft |
| Poisson's ratio ( Hard ) |
0.397 |
| Poisson's ratio ( Soft ) |
0.397 |
| Tensile modulus ( GPa ) ( Hard ) |
104.90 |
| Tensile modulus ( GPa ) ( Soft ) |
104.90 |
| Tensile strength ( MPa ) ( Hard ) |
585.00 |
| Tensile strength ( MPa ) ( Soft ) |
330.00 |
| Yield strength ( MPa ) ( Hard ) |
550.0 |
| Yield strength ( MPa ) ( Soft ) |
240.0 |
| Atomic Properties(原子属性) |
| Atomic number |
41 |
| Atomic weight ( amu ) |
92.90640 |
| Crystal structure |
Body Centred Cubic |
| Electronic structure |
Kr4d?5s? |
| Ionisation potential ( No./eV ) |
3 / 25.0 |
| Ionisation potential ( No./eV ) |
2 / 14.3 |
| Ionisation potential ( No./eV ) |
6 / 103 |
| Ionisation potential ( No./eV ) |
1 / 6.88 |
| Ionisation potential ( No./eV ) |
4 / 38.3 |
| Ionisation potential ( No./eV ) |
5 / 50.5 |
| Photo-electric work function ( eV ) |
4.30 |
| Thermal neutron absorption cross-section ( Barns ) |
1.1500 |
| Valences shown |
2 , 3, 4, 5 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
7.200 @0-100℃ |
| Latent heat of evaporation ( J g?? ) |
7360 |
| Latent heat of fusion ( J g?? ) |
290.00 |
| Melting point ( C ) |
2468.00 |
| Specific heat ( J K?? kg?? ) |
268.0 @25℃ |
| Thermal conductivity ( W m?? K?? ) |
53.70 @0-100℃ |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) |
16@20℃ |
| Superconductivity critical temperature ( K ) |
9.2500 |
| Temperature coefficient ( K?? ) |
0.00260 @0-100℃ |
| Physical Properties(物理性质) |
| Boiling point ( C ) |
4742 |
| Density ( g cm?? ) |
8.570 @20℃ |
