| Diameter[直径] | 3mm |
| 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 | Ar3d⁸4s² |
| 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⁻¹ ) ( Hard ) | 160 |
| Izod toughness ( J m⁻¹ ) ( 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⁻¹ ) | 0.00680 @0-100℃ |
| Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | -1.48 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 13.300 @0-100℃ |
| Latent heat of evaporation ( J g⁻¹ ) | 6378 |
| Latent heat of fusion ( J g⁻¹ ) | 292.00 |
| Melting point ( C ) | 1453.00 |
| Specific heat ( J K⁻¹ kg⁻¹ ) | 444.0 @25℃ |
| Thermal conductivity ( W m⁻¹ K⁻¹ ) | 90.90 @0-100℃ |
| Physical Properties(物理性质) |
| Boiling point ( C ) | 2732 |
| Density ( g cm⁻³ ) | 8.900 @20 |
