| Diameter[直径] |
4mm - 25mm |
| Purity[纯度] |
99.9% |
| Temper[状态] |
As Rolled |
| Thickness[厚度] |
0.25mm |
| Typical Analysis(典型分析) |
| Cu |
10 PPM |
| Fe |
1 PPM |
| Ni |
30 PPM |
| Pb |
70 PPM |
| Zn |
1 PPM |
| Atomic Properties(原子属性) |
| Atomic number |
48 |
| Atomic weight ( amu ) |
112.41000 |
| Crystal structure |
Hexagonal Close Packed |
| Electronic structure |
Kr4d??5s? |
| Ionisation potential ( No./eV ) |
2 / 16.9 |
| Ionisation potential ( No./eV ) |
3 / 37.5 |
| Ionisation potential ( No./eV ) |
1 / 8.99 |
| Natural isotope distribution ( Mass No./% ) |
106 / 1.2 |
| Natural isotope distribution ( Mass No./% ) |
108 / 0.9 |
| Natural isotope distribution ( Mass No./% ) |
111 12.8 |
| Natural isotope distribution ( Mass No./% ) |
112 / 24.0 |
| Natural isotope distribution ( Mass No./% ) |
113 / 12.3 |
| Natural isotope distribution ( Mass No./% ) |
116 / 7.6 |
| Natural isotope distribution ( Mass No./% ) |
110 / 12.4 |
| Natural isotope distribution ( Mass No./% ) |
114 / 28.8 |
| Photo-electric work function ( eV ) |
4.00 |
| Thermal neutron absorption cross-section ( Barns ) |
2450.0000 |
| Valences shown |
2 |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) |
7.3@20℃ |
| Superconductivity critical temperature ( K ) |
0.5170 |
| Temperature coefficient ( K?? ) |
0.00430 @0-100℃ |
| Thermal emf against Pt (cold 0C - hot 100C) ( mV ) |
0.91 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
31.000 @0-100℃ |
| Latent heat of evaporation ( J g?? ) |
886 |
| Latent heat of fusion ( J g?? ) |
57.00 |
| Melting point ( C ) |
321.00 |
| Specific heat ( J K?? kg?? ) |
232.0 @25℃ |
| Thermal conductivity ( W m?? K?? ) |
96.90 @0-100℃ |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Cast ) |
51.0 |
| Bulk modulus ( GPa ) ( Polycrystalline ) |
51.0 |
| Hardness - Mohs ( Cast ) |
2.00 |
| Material condition |
Polycrystalline |
| Material condition |
Cast |
| Poisson's ratio ( Cast ) |
0.300 |
| Poisson's ratio ( Polycrystalline ) |
0.300 |
| Tensile modulus ( GPa ) ( Cast ) |
62.60 |
| Tensile modulus ( GPa ) ( Polycrystalline ) |
62.60 |
| Tensile strength ( MPa ) ( Cast ) |
71.00 |
| Physical Properties(物理性质) |
| Boiling point ( C ) |
765 |
| Density ( g cm?? ) |
8.640 @20℃ |
