钒,线, V, 0.25mm直径, Hard Temper
| 品牌: | Goodfellow | | 纯度含量: | 99.8% | | 产地: | 英国 |
产品介绍
| 订货号 | 包装规格 | | Length (Round) | | 754-384-45 | 0.2 m | | 298-053-41 | 0.5 m | | 256-683-44 | 1 m | | 085-429-75 | 2 m | | 678-722-13 | 5 m |
产品参数 | Diameter[直径] | 0.25mm | | Length[长度] | 0.2 m - 5 m | | Purity[纯度] | 99.8% | | Temper[状态] | Hard | | Typical Analysis(典型分析) | | Ag | 2 PPM | | Al | 25 PPM | | Ca | 10 PPM | | Cr | 40 PPM | | Cu | <1000 PPM | | Fe | 200 PPM | | Mg | 1 PPM | | Mn | 10 PPM | | Ni | 20 PPM | | Pb | 2 PPM | | Si | 500 PPM | | Y | <1.6 Percent | | 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℃ |
其他参数 公差
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