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% |
![](//www.vuestras.com/goodfellow/imgs/pub/ghs/2.jpg)
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。