Purity[纯度] | 99.8% |
Thickness[厚度] | 0.004mm |
Typical Analysis(典型分析) |
Ag | <1 PPM |
Al | 200 PPM |
B | <1 PPM |
C | 120 PPM |
Ca | 5 PPM |
Co | <10 PPM |
Cr | 3 PPM |
Cu | <40 PPM |
Fe | 60 PPM |
H | 3 PPM |
Mg | 20 PPM |
Mn | 5 PPM |
Mo | <20 PPM |
N | 50 PPM |
Nb | <250 PPM |
O | 50 PPM |
Pb | <20 PPM |
Si | 300 PPM |
Sn | <20 PPM |
Ta | <250 PPM |
Ti | <50 PPM |
W | <500 PPM |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 8.300 @0-100℃ |
Latent heat of evaporation ( J g⁻¹ ) | 8975 |
Latent heat of fusion ( J g⁻¹ ) | 345.00 |
Melting point ( C ) | 1890.00 |
Specific heat ( J K⁻¹ kg⁻¹ ) | 486.0 @25℃ |
Thermal conductivity ( W m⁻¹ K⁻¹ ) | 30.70 @0-100℃ |
Atomic Properties(原子属性) |
Atomic number | 23 |
Atomic weight ( amu ) | 50.94150 |
Crystal structure | Body Centred Cubic |
Electronic structure | Ar3d³4s² |
Ionisation potential ( No./eV ) | 3 / 29.3 |
Ionisation potential ( No./eV ) | 2 / 14.6 |
Ionisation potential ( No./eV ) | 5 / 65.2 |
Ionisation potential ( No./eV ) | 6 / 128 |
Ionisation potential ( No./eV ) | 1 / 6.74 |
Ionisation potential ( No./eV ) | 4 / 46.7 |
Natural isotope distribution ( Mass No./% ) | 51 / 99.75 |
Natural isotope distribution ( Mass No./% ) | 50 / 0.25 |
Photo-electric work function ( eV ) | 4.30 |
Thermal neutron absorption cross-section ( Barns ) | 5.0600 |
Valences shown | 2 ,3,4,5 |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Hard ) | 158.0 |
Bulk modulus ( GPa ) ( Soft ) | 158.0 |
Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 150 |
Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 80 |
Izod toughness ( J m⁻¹ ) ( Soft ) | 10 - 136 |
Material condition | Hard |
Material condition | Soft |
Poisson's ratio ( Hard ) | 0.365 |
Poisson's ratio ( Soft ) | 0.365 |
Tensile modulus ( GPa ) ( Hard ) | 127.60 |
Tensile modulus ( GPa ) ( Soft ) | 127.60 |
Tensile strength ( MPa ) ( Hard ) | 530.00 - 730.00 |
Tensile strength ( MPa ) ( Soft ) | 260.00 - 585.00 |
Yield strength ( MPa ) ( Hard ) | 515.0 - 690.0 |
Yield strength ( MPa ) ( Soft ) | 170.0 - 450.0 |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) | 19.6@20℃ |
Superconductivity critical temperature ( K ) | 5.4000 |
Temperature coefficient ( K⁻¹ ) | 0.00390 @0-100℃ |
Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 0.63 |
Physical Properties(物理性质) |
Boiling point ( C ) | 3380 |
Density ( g cm⁻³ ) | 6.100 @20℃ |