Diameter[直径] |
17.5 mm |
Purity[纯度] |
99.6% |
Thickness[厚度] |
0.015mm |
Typical Analysis(典型分析) |
Al |
300 PPM |
C |
300 PPM |
Ca |
20 PPM |
Cr |
50 PPM |
Cu |
5 PPM |
Fe |
1500 PPM |
H |
60 PPM |
Mn |
100 PPM |
N |
150 PPM |
Ni |
50 PPM |
O |
2000 PPM |
Si |
300 PPM |
Sn |
200 PPM |
Atomic Properties(原子属性) |
Atomic number |
22 |
Atomic weight ( amu ) |
47.88000 |
Crystal structure |
Hexagonal Close Packed |
Electronic structure |
Ar3d24s2 |
Ionisation potential ( No./eV ) |
3 / 27.5 |
Ionisation potential ( No./eV ) |
4 / 43.3 |
Ionisation potential ( No./eV ) |
5 / 99.2 |
Ionisation potential ( No./eV ) |
1 / 6.82 |
Ionisation potential ( No./eV ) |
2 / 13.6 |
Ionisation potential ( No./eV ) |
6 / 119 |
Natural isotope distribution ( Mass No./% ) |
50 / 5.3 |
Natural isotope distribution ( Mass No./% ) |
49 / 5.5 |
Natural isotope distribution ( Mass No./% ) |
46 / 8.0 |
Natural isotope distribution ( Mass No./% ) |
48 / 73.7 |
Natural isotope distribution ( Mass No./% ) |
47 / 7.5 |
Photo-electric work function ( eV ) |
4.10 |
Thermal neutron absorption cross-section ( Barns ) |
6.1000 |
Valences shown |
2 ,3,4 |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10?? K?1 ) |
8.900 @0-100℃ |
Latent heat of evaporation ( J g?1 ) |
8893 |
Latent heat of fusion ( J g?1 ) |
365.00 |
Melting point ( C ) |
1660.00 |
Specific heat ( J K?1 kg?1 ) |
523.0 @25℃ |
Thermal conductivity ( W m?1 K?1 ) |
21.90 @0-100℃ |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Polycrystalline ) |
108.4 |
Hardness - Vickers ( kgf mm?2 ) ( Annealed ) |
60 |
Izod toughness ( J m?1 ) ( Annealed ) |
61 |
Material condition |
Polycrystalline |
Material condition |
Annealed |
Poisson's ratio ( Polycrystalline ) |
0.361 |
Tensile modulus ( GPa ) ( Polycrystalline ) |
120.20 |
Tensile strength ( MPa ) ( Annealed ) |
230.00 - 460.00 |
Yield strength ( MPa ) ( Annealed ) |
140.0 - 250.0 |
Physical Properties(物理性质) |
Boiling point ( C ) |
3287 |
Density ( g cm?3 ) |
4.500 @20℃ |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) |
54@20℃ |
Superconductivity critical temperature ( K ) |
0.4000 |
Temperature coefficient ( K?1 ) |
0.00380 @0-100℃ |