Tolerance on thickness : +/-20%.
| 订货号 |
包装规格 |
| 679-268-75 |
25mm x 25mm |
半岛bd体育手机客户端 参数
| Purity[纯度] |
99.0% |
| Temper[状态] |
As Rolled |
| Thickness[厚度] |
0.15mm |
| Atomic Properties(原子属性) |
| Atomic number |
71 |
| Atomic weight ( amu ) |
174.96700 |
| Crystal structure |
Hexagonal Close Packed |
| Electronic structure |
Xe4f??5d?6s? |
| Ionisation potential ( No./eV ) |
1 / 5.43 |
| Ionisation potential ( No./eV ) |
2 / 13.9 |
| Natural isotope distribution ( Mass No./% ) |
175 / 97.4 |
| Natural isotope distribution ( Mass No./% ) |
176 / 2.6 |
| Photo-electric work function ( eV ) |
3.30 |
| Thermal neutron absorption cross-section ( Barns ) |
75.0000 |
| Valences shown |
3 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
12.500 @0-400℃ |
| Latent heat of evaporation ( J g?? ) |
2155 |
| Latent heat of fusion ( J g?? ) |
110.00 |
| Melting point ( C ) |
1663.00 |
| Specific heat ( J K?? kg?? ) |
155.0 @25℃ |
| Thermal conductivity ( W m?? K?? ) |
16.40 @0-100℃ |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Polycrystalline ) |
42.0 |
| Hardness - Vickers ( kgf mm?? ) ( Polycrystalline ) |
85 |
| Material condition |
Polycrystalline |
| Poisson's ratio ( Polycrystalline ) |
0.223 |
| Tensile modulus ( GPa ) ( Polycrystalline ) |
84.00 |
| Physical Properties(物理性质) |
| Boiling point ( C ) |
3395 |
| Density ( g cm?? ) |
9.842 @20℃ |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) |
68@20℃ |
| Superconductivity critical temperature ( K ) |
0.1000 |
| Temperature coefficient ( K?? ) |
0.00240 @0-100℃ |
其他参数
公差
| 长度 |
<100mm |
±1mm |
| ≥100mm |
+2% / -1% |
| 直径 |
<100mm |
±1mm |
| ≥100mm |
+2% / -1% |
| 厚度 |
<0.01mm |
±25% |
| ≤0.05mm |
±15% |
| >0.05mm |
±10% |
| 长度 1 |
<100mm |
±1mm |
| ≥100mm |
+2% / -1% |
| 长度 2 |
<100mm |
±1mm |
| ≥100mm |
+2% / -1% |
易燃
与火焰接触后点燃的化学品，或与水接触后逸出高度易燃气体的化学品。
