| Diameter[直径] |
1mm |
| Grade[等级] |
Grade 200 |
| Purity[纯度] |
99.0% |
| Quantity[数量] |
50 Piece - 500 Piece |
| Sphericity[球面] |
5.08μm |
| Type[类型] |
Precision Sphere |
| Typical Analysis(典型分析) |
| C |
<1500 PPM |
| Cu |
<2500 PPM |
| Fe |
<4000 PPM |
| Mg |
<2000 PPM |
| Mn |
<3500 PPM |
| S |
<100 PPM |
| Si |
<1500 PPM |
| Ti |
<1000 PPM |
| Atomic Properties(原子属性) |
| Atomic number |
28 |
| Atomic weight ( amu ) |
58.69000 |
| Crystal structure |
Face Centred Cubic |
| Electronic structure |
Ar3d?4s? |
| Ionisation potential ( No./eV ) |
2 / 18.2 |
| Ionisation potential ( No./eV ) |
4 / 54.9 |
| Ionisation potential ( No./eV ) |
6 / 108 |
| Ionisation potential ( No./eV ) |
1 / 7.63 |
| Ionisation potential ( No./eV ) |
3 / 35.2 |
| Ionisation potential ( No./eV ) |
5 / 75.5 |
| Natural isotope distribution ( Mass No./% ) |
60 / 26.10 |
| Natural isotope distribution ( Mass No./% ) |
62 / 3.59 |
| Natural isotope distribution ( Mass No./% ) |
61 / 1.13 |
| Natural isotope distribution ( Mass No./% ) |
58 / 68.27 |
| Natural isotope distribution ( Mass No./% ) |
64 / 0.91 |
| Photo-electric work function ( eV ) |
4.90 |
| Thermal neutron absorption cross-section ( Barns ) |
4.5400 |
| Valences shown |
0 , 1, 2, 3 |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Hard ) |
177.3 |
| Bulk modulus ( GPa ) ( Soft ) |
177.3 |
| Hardness - Brinell ( Hard ) |
190 |
| Hardness - Brinell ( Soft ) |
100 |
| Izod toughness ( J m?? ) ( Hard ) |
160 |
| Izod toughness ( J m?? ) ( Soft ) |
160 |
| Material condition |
Hard |
| Material condition |
Soft |
| Poisson's ratio ( Hard ) |
0.312 |
| Poisson's ratio ( Soft ) |
0.312 |
| Tensile modulus ( GPa ) ( Hard ) |
199.50 |
| Tensile modulus ( GPa ) ( Soft ) |
199.50 |
| Tensile strength ( MPa ) ( Hard ) |
660.00 |
| Tensile strength ( MPa ) ( Soft ) |
400.00 |
| Yield strength ( MPa ) ( Hard ) |
480.0 |
| Yield strength ( MPa ) ( Soft ) |
150.0 |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) |
6.9@20℃ |
| Temperature coefficient ( K?? ) |
0.00680 @0-100℃ |
| Thermal emf against Pt (cold 0C - hot 100C) ( mV ) |
-1.48 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
13.300 @0-100℃ |
| Latent heat of evaporation ( J g?? ) |
6378 |
| Latent heat of fusion ( J g?? ) |
292.00 |
| Melting point ( C ) |
1453.00 |
| Specific heat ( J K?? kg?? ) |
444.0 @25℃ |
| Thermal conductivity ( W m?? K?? ) |
90.90 @0-100℃ |
| Physical Properties(物理性质) |
| Boiling point ( C ) |
2732 |
| Density ( g cm?? ) |
8.900 @20 |
