| Purity[纯度] |
99.9% |
| Surface Finish[表面光洁度] |
Polished On Both Sides |
| Temper[状态] |
As Rolled |
| Thickness[厚度] |
1mm |
| Typical Analysis(典型分析) |
| Al |
70 PPM |
| Cu |
20 PPM |
| Fe |
280 PPM |
| Mn |
170 PPM |
| Ni |
<10 PPM |
| Si |
50 PPM |
| Zn |
<20 PPM |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
26.000 @0-100℃ |
| Latent heat of evaporation ( J g?? ) |
5254 |
| Latent heat of fusion ( J g?? ) |
362.00 |
| Melting point ( C ) |
649.00 |
| Specific heat ( J K?? kg?? ) |
1020.0 @25℃ |
| Thermal conductivity ( W m?? K?? ) |
156.00 @0-100℃ |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Hard ) |
35.6 |
| Bulk modulus ( GPa ) ( Soft ) |
35.6 |
| Hardness - Vickers ( kgf mm?? ) ( Hard ) |
35 - 45 |
| Hardness - Vickers ( kgf mm?? ) ( Soft ) |
30 - 35 |
| Material condition |
Hard |
| Material condition |
Soft |
| Poisson's ratio ( Hard ) |
0.291 |
| Poisson's ratio ( Soft ) |
0.291 |
| Tensile modulus ( GPa ) ( Hard ) |
44.70 |
| Tensile modulus ( GPa ) ( Soft ) |
44.70 |
| Tensile strength ( MPa ) ( Hard ) |
232.00 |
| Tensile strength ( MPa ) ( Soft ) |
185.00 |
| Yield strength ( MPa ) ( Hard ) |
100.0 |
| Yield strength ( MPa ) ( Soft ) |
69.0 |
| Atomic Properties(原子属性) |
| Atomic number |
12 |
| Atomic weight ( amu ) |
24.30500 |
| Crystal structure |
Hexagonal Close Packed |
| Electronic structure |
Ne3s? |
| Ionisation potential ( No./eV ) |
2 / 15.03 |
| Ionisation potential ( No./eV ) |
6 / 187 |
| Ionisation potential ( No./eV ) |
4 / 109 |
| Ionisation potential ( No./eV ) |
5 / 141 |
| Ionisation potential ( No./eV ) |
1 / 7.65 |
| Ionisation potential ( No./eV ) |
3 / 80.1 |
| Natural isotope distribution ( Mass No./% ) |
24 / 78.99 |
| Natural isotope distribution ( Mass No./% ) |
26 / 11.01 |
| Natural isotope distribution ( Mass No./% ) |
25 / 10.00 |
| Photo-electric work function ( eV ) |
3.66 |
| Thermal neutron absorption cross-section ( Barns ) |
0.0640 |
| Valences shown |
2 |
| Physical Properties(物理性质) |
| Boiling point ( C ) |
1090 |
| Density ( g cm?? ) |
1.740 @20℃ |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) |
4.2@20℃ |
| Temperature coefficient ( K?? ) |
0.00425 @0-100℃ |
| Thermal emf against Pt (cold 0C - hot 100C) ( mV ) |
0.44 |
