Diameter[直径] |
75mm |
Length[长度] |
100mm |
Purity[纯度] |
99.9% |
Temper[状态] |
Annealed |
Typical Analysis(典型分析) |
Al |
<10 PPM |
B |
2 PPM |
C |
25 PPM |
Ca |
<10 PPM |
Co |
<10 PPM |
Cr |
<10 PPM |
Cu |
<10 PPM |
Fe |
<10 PPM |
H |
<10 PPM |
Mg |
<10 PPM |
Mn |
<10 PPM |
Mo |
<10 PPM |
N |
35 PPM |
Ni |
<10 PPM |
O |
230 PPM |
Si |
<10 PPM |
Sn |
<10 PPM |
Ta |
255 PPM |
Ti |
20 PPM |
W |
<100 PPM |
Zr |
<10 PPM |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Hard ) |
170.3 |
Bulk modulus ( GPa ) ( Soft ) |
170.3 |
Hardness - Vickers ( kgf mm?? ) ( Hard ) |
160 |
Hardness - Vickers ( kgf mm?? ) ( Soft ) |
115 |
Izod toughness ( J m?? ) ( Soft ) |
10 - 120 |
Material condition |
Hard |
Material condition |
Soft |
Poisson's ratio ( Hard ) |
0.397 |
Poisson's ratio ( Soft ) |
0.397 |
Tensile modulus ( GPa ) ( Hard ) |
104.90 |
Tensile modulus ( GPa ) ( Soft ) |
104.90 |
Tensile strength ( MPa ) ( Hard ) |
585.00 |
Tensile strength ( MPa ) ( Soft ) |
330.00 |
Yield strength ( MPa ) ( Hard ) |
550.0 |
Yield strength ( MPa ) ( Soft ) |
240.0 |
Atomic Properties(原子属性) |
Atomic number |
41 |
Atomic weight ( amu ) |
92.90640 |
Crystal structure |
Body Centred Cubic |
Electronic structure |
Kr4d?5s? |
Ionisation potential ( No./eV ) |
3 / 25.0 |
Ionisation potential ( No./eV ) |
2 / 14.3 |
Ionisation potential ( No./eV ) |
6 / 103 |
Ionisation potential ( No./eV ) |
1 / 6.88 |
Ionisation potential ( No./eV ) |
4 / 38.3 |
Ionisation potential ( No./eV ) |
5 / 50.5 |
Photo-electric work function ( eV ) |
4.30 |
Thermal neutron absorption cross-section ( Barns ) |
1.1500 |
Valences shown |
2 , 3, 4, 5 |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10?? K?? ) |
7.200 @0-100℃ |
Latent heat of evaporation ( J g?? ) |
7360 |
Latent heat of fusion ( J g?? ) |
290.00 |
Melting point ( C ) |
2468.00 |
Specific heat ( J K?? kg?? ) |
268.0 @25℃ |
Thermal conductivity ( W m?? K?? ) |
53.70 @0-100℃ |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) |
16@20℃ |
Superconductivity critical temperature ( K ) |
9.2500 |
Temperature coefficient ( K?? ) |
0.00260 @0-100℃ |
Physical Properties(物理性质) |
Boiling point ( C ) |
4742 |
Density ( g cm?? ) |
8.570 @20℃ |