品牌: Goodfellow纯度含量: 99.99%产地: 英国
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| 品牌: | Goodfellow | | 纯度含量: | 99.99% | | 产地: | 英国 |
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介绍 For high-temperature thermocouples we supply Platinum, Platinum/Rhodium alloys, Tungsten and Tungsten/Rhenium alloys. | 订货号 | 包装规格 | | Length (Round) | | 433-416-34 | 0.1m | | 046-253-55 | 0.2m | | 688-723-81 | 0.3m | | 177-039-30 | 0.5m | | 938-948-97 | 0.75m | | 916-392-86 | 1.5m | | 129-920-47 | 1m | | 240-058-32 | 2m | | 897-245-20 | 3m | | 405-243-65 | 5m | | 885-628-97 | 7.5m | | 266-679-31 | 10m | | 777-591-81 | 15m | | 777-918-53 | 20m | | 710-779-37 | 30m | | 612-602-46 | 40m | | 426-453-66 | 50m |
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参数 | Diameter[直径] | 0.25mm | | High Purity[纯度] | 99.99% | | Length[长度] | 0.1m - 50m | | Temper[状态] | As Drawn | | Typical Analysis(典型分析) | | Ag | <1 PPM | | Au | 1 PPM | | Ca | <1 PPM | | Cu | 1 PPM | | Fe | 3 PPM | | Mg | 1 PPM | | Pd | 1 PPM | | Si | 5 PPM | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Hard ) | 276.0 | | Bulk modulus ( GPa ) ( Soft ) | 276.0 | | Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 100 | | Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 40 | | Material condition | Hard | | Material condition | Soft | | Poisson's ratio ( Hard ) | 0.390 | | Poisson's ratio ( Soft ) | 0.390 | | Tensile modulus ( GPa ) ( Hard ) | 170.00 | | Tensile modulus ( GPa ) ( Soft ) | 170.00 | | Tensile strength ( MPa ) ( Hard ) | 200.00 - 300.00 | | Tensile strength ( MPa ) ( Soft ) | 125.00 - 150.00 | | Yield strength ( MPa ) ( Hard ) | 185.0 | | Yield strength ( MPa ) ( Soft ) | 14.0 - 35.0 | | Physical Properties(物理性质) | | Boiling point ( C ) | 3827 | | Density ( g cm⁻³ ) | 21.450 @20℃ | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 9.000 @0-100 | | Latent heat of evaporation ( J g⁻¹ ) | 2405 | | Latent heat of fusion ( J g⁻¹ ) | 101.00 | | Melting point ( C ) | 1772.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 133.0 @025℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 71.60 @0-100℃ | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 10.58@20℃ | | Temperature coefficient ( K⁻¹ ) | 0.00392 @0-100℃ | | Atomic Properties(原子属性) | | Atomic number | 78 | | Atomic weight ( amu ) | 195.08000 | | Crystal structure | Face Centred Cubic | | Electronic structure | Xe4f¹⁴5d⁹6s¹ | | Ionisation potential ( No./eV ) | 1 / 9.0 | | Ionisation potential ( No./eV ) | 2 / 18.6 | | Natural isotope distribution ( Mass No./% ) | 192 / 0.79 | | Natural isotope distribution ( Mass No./% ) | 196 / 25.30 | | Natural isotope distribution ( Mass No./% ) | 190 / 0.01 | | Natural isotope distribution ( Mass No./% ) | 195 / 33.80 | | Natural isotope distribution ( Mass No./% ) | 198 / 7.20 | | Natural isotope distribution ( Mass No./% ) | 194 / 32.90 | | Photo-electric work function ( eV ) | 5.30 | | Thermal neutron absorption cross-section ( Barns ) | 9.0000 | | Valences shown | 1 ,2,3,4 |
其他参数 公差
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