| Diameter[直径] |
0.01mm |
| Length[长度] |
10 m - 20 m |
| Purity[纯度] |
99.8% |
| Temper[状态] |
Hard |
| Typical Analysis(典型分析) |
| Al |
20 PPM |
| Ba |
4 PPM |
| Ca |
10 PPM |
| Cr |
50 PPM |
| Cu |
<5 PPM |
| Fe |
20 PPM |
| K |
10 PPM |
| Mg |
10 PPM |
| Mn |
1 PPM |
| Na |
4 PPM |
| Ni |
100 PPM |
| Pb |
<10 PPM |
| Sb |
10 PPM |
| Si |
300 PPM |
| Ti |
40 PPM |
| W |
100 PPM |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Hard ) |
261.2 |
| Bulk modulus ( GPa ) ( Soft ) |
261.2 |
| Hardness - Vickers ( kgf mm?? ) ( Hard ) |
250 |
| Hardness - Vickers ( kgf mm?? ) ( Soft ) |
200 |
| Material condition |
Hard |
| Material condition |
Soft |
| Poisson's ratio ( Hard ) |
0.293 |
| Poisson's ratio ( Soft ) |
0.293 |
| Tensile modulus ( GPa ) ( Hard ) |
324.80 |
| Tensile modulus ( GPa ) ( Soft ) |
324.80 |
| Tensile strength ( MPa ) ( Hard ) |
620.00 - 690.00 |
| Tensile strength ( MPa ) ( Soft ) |
485.00 - 550.00 |
| Yield strength ( MPa ) ( Hard ) |
550.0 |
| Yield strength ( MPa ) ( Soft ) |
415.0 - 450.0 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
5.100 @0-100℃ |
| Latent heat of evaporation ( J g?? ) |
6153 |
| Latent heat of fusion ( J g?? ) |
290.00 |
| Melting point ( C ) |
2617.00 |
| Specific heat ( J K?? kg?? ) |
251.0 @25℃ |
| Thermal conductivity ( W m?? K?? ) |
138.00 @0-100℃ |
| Atomic Properties(原子属性) |
| Atomic number |
42 |
| Atomic weight ( amu ) |
95.94000 |
| Crystal structure |
Body Centred Cubic |
| Electronic structure |
Kr4d?5s? |
| Ionisation potential ( No./eV ) |
2 / 16.15 |
| Ionisation potential ( No./eV ) |
5 / 61.2 |
| Ionisation potential ( No./eV ) |
6 / 68 |
| Ionisation potential ( No./eV ) |
1 / 7.10 |
| Ionisation potential ( No./eV ) |
3 / 27.2 |
| Ionisation potential ( No./eV ) |
4 / 46.4 |
| Natural isotope distribution ( Mass No./% ) |
95 / 15.9 |
| Natural isotope distribution ( Mass No./% ) |
96 / 16.7 |
| Natural isotope distribution ( Mass No./% ) |
98 / 24.1 |
| Natural isotope distribution ( Mass No./% ) |
97 / 9.6 |
| Natural isotope distribution ( Mass No./% ) |
92 / 14.8 |
| Natural isotope distribution ( Mass No./% ) |
94 / 9.3 |
| Natural isotope distribution ( Mass No./% ) |
100 / 9.6 |
| Photo-electric work function ( eV ) |
4.20 |
| Thermal neutron absorption cross-section ( Barns ) |
2.6500 |
| Valences shown |
2 , 3, 4, 5, 6 |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) |
5.7@20℃ |
| Superconductivity critical temperature ( K ) |
0.9150 |
| Temperature coefficient ( K?? ) |
0.00435 @0-100℃ |
| Thermal emf against Pt (cold 0C - hot 100C) ( mV ) |
1.45 |
| Physical Properties(物理性质) |
| Boiling point ( C ) |
4612 |
| Density ( g cm?? ) |
10.220 @20℃ |
