半岛bd体育手机客户端 介绍
订货号 |
包装规格 |
761-525-40 |
10 Piece |
920-133-19 |
25 Piece |
504-790-27 |
50 Piece |
半岛bd体育手机客户端 参数
Inside Diameter[内部直径] |
3.29mm |
Outside Diameter[外部直径] |
6.82mm |
Quantity[数量] |
10 Piece - 50 Piece |
Size[尺寸] |
M3 |
Standard[标准] |
ISO 7089:2000 |
Thickness[厚度] |
0.5mm |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Hard ) |
196.3 |
Bulk modulus ( GPa ) ( Soft ) |
196.3 |
Hardness - Vickers ( kgf mm?? ) ( Hard ) |
200 |
Hardness - Vickers ( kgf mm?? ) ( Soft ) |
90 |
Material condition |
Hard |
Material condition |
Soft |
Poisson's ratio ( Hard ) |
0.342 |
Poisson's ratio ( Soft ) |
0.342 |
Tensile modulus ( GPa ) ( Hard ) |
185.70 |
Tensile modulus ( GPa ) ( Soft ) |
185.70 |
Tensile strength ( MPa ) ( Hard ) |
760.00 |
Tensile strength ( MPa ) ( Soft ) |
172.00 - 207.00 |
Yield strength ( MPa ) ( Hard ) |
705.0 |
Yield strength ( MPa ) ( Soft ) |
310.0 - 380.0 |
Atomic Properties(原子属性) |
Atomic number |
73 |
Atomic weight ( amu ) |
180.94790 |
Crystal structure |
Body Centred Cubic |
Electronic structure |
Xe4f??5d?6s? |
Ionisation potential ( No./eV ) |
1 / 7.88 |
Ionisation potential ( No./eV ) |
2 / 16.2 |
Natural isotope distribution ( Mass No./% ) |
180 / 0.012 |
Natural isotope distribution ( Mass No./% ) |
181 / 99.988 |
Photo-electric work function ( eV ) |
4.10 |
Thermal neutron absorption cross-section ( Barns ) |
22.0000 |
Valences shown |
2 ,3,4,5 |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) |
13.5@20℃ |
Superconductivity critical temperature ( K ) |
4.4700 |
Temperature coefficient ( K?? ) |
0.00350 @0-100℃ |
Thermal emf against Pt (cold 0C - hot 100C) ( mV ) |
0.33 |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10?? K?? ) |
6.500 @0-100℃ |
Latent heat of evaporation ( J g?? ) |
4165 |
Latent heat of fusion ( J g?? ) |
174.00 |
Melting point ( C ) |
2996.00 |
Specific heat ( J K?? kg?? ) |
140.0 @25℃ |
Thermal conductivity ( W m?? K?? ) |
57.50 @0-100 |
Physical Properties(物理性质) |
Boiling point ( C ) |
5425 |
Density ( g cm?? ) |
16.600 @20℃ |
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