| Diameter[直径] |
4 mm - 25 mm |
| Production Method[生产方法] |
Flattened |
| Purity[纯度] |
99.95% |
| Temper[状态] |
As Rolled |
| Thickness[厚度] |
0.5mm |
| Typical Analysis(典型分析) |
| Cu |
70 PPM |
| Fe |
5 PPM |
| Na |
1 PPM |
| Pb |
1 PPM |
| Zn |
5 PPM |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) |
1.63@20℃ |
| Temperature coefficient ( K?1 ) |
0.00410 @0-100℃ |
| Thermal emf against Pt (cold 0C - hot 100C) ( mV ) |
0.74 |
| Atomic Properties(原子属性) |
| Atomic number |
47 |
| Atomic weight ( amu ) |
107.86820 |
| Crystal structure |
Face Centred Cubic |
| Electronic structure |
Kr4d1?5s1 |
| Ionisation potential ( No./eV ) |
2 / 21.5 |
| Ionisation potential ( No./eV ) |
1 / 7.58 |
| Ionisation potential ( No./eV ) |
3 / 34.8 |
| Natural isotope distribution ( Mass No./% ) |
107 / 51.83 |
| Natural isotope distribution ( Mass No./% ) |
109 / 48.17 |
| Photo-electric work function ( eV ) |
4.70 |
| Thermal neutron absorption cross-section ( Barns ) |
63.8000 |
| Valences shown |
1 ,2 |
| Physical Properties(物理性质) |
| Boiling point ( C ) |
2212 |
| Density ( g cm?3 ) |
10.500 @20℃ |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Hard ) |
103.6 |
| Bulk modulus ( GPa ) ( Soft ) |
103.6 |
| Hardness - Vickers ( kgf mm?2 ) ( Hard ) |
95 |
| Hardness - Vickers ( kgf mm?2 ) ( Soft ) |
25 |
| Izod toughness ( J m?1 ) ( Soft ) |
5 |
| Material condition |
Hard |
| Material condition |
Soft |
| Poisson's ratio ( Hard ) |
0.367 |
| Poisson's ratio ( Soft ) |
0.367 |
| Tensile modulus ( GPa ) ( Hard ) |
82.70 |
| Tensile modulus ( GPa ) ( Soft ) |
82.70 |
| Tensile strength ( MPa ) ( Hard ) |
330.00 |
| Tensile strength ( MPa ) ( Soft ) |
172.00 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?1 ) |
19.100 @0-100℃ |
| Latent heat of evaporation ( J g?1 ) |
2390 |
| Latent heat of fusion ( J g?1 ) |
103.00 |
| Melting point ( C ) |
961.90 |
| Specific heat ( J K?1 kg?1 ) |
237.0 @25℃ |
| Thermal conductivity ( W m?1 K?1 ) |
429.00 @0-100℃ |
