碳棒, C, 25mm 直径
品牌: | Goodfellow | 纯度含量: | 99.997% | 产地: | 英国 |
产品介绍
订货号 | 包装规格 | Length (Round) | 545-697-51 | 50 mm | 212-188-02 | 100 mm | 523-512-42 | 150 mm |
产品参数 Diameter[直径] | 25mm | Grade[等级] | Graphite | Length[长度] | 50 mm - 150 mm | Particle Size[粒径] | Ultrafine 1-5 Microns | Purity[纯度] | 99.997% | Typical Analysis(典型分析) | Al | 0.2 PPM | B | 1 PPM | Ca | 0.05 PPM | Cu | 0.01 PPM | Fe | 0.2 PPM | Mg | 0.05 PPM | Na | 0.02 PPM | Si | 1 PPM | Thermal Properties(热性能) | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 0.600 - 4.300 @0-100℃ | Melting point ( C ) | 3650.00 | Specific heat ( J K⁻¹ kg⁻¹ ) | 712.0 @25℃ | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 80.00 - 240.00 @0-100℃ | Mechanical Properties(机械性能) | Bulk modulus ( GPa ) ( Diamond ) | 542.0 | Bulk modulus ( GPa ) ( Graphite ) | 33.0 | Hardness - Mohs ( Diamond ) | 10.00 | Hardness - Mohs ( Graphite ) | 0.50 - 1.00 | Material condition | Diamond | Material condition | Graphite | Tensile modulus ( GPa ) ( Graphite ) | 4.80 | Atomic Properties(原子属性) | Atomic number | 6 | Atomic weight ( amu ) | 12.01100 | Crystal structure | Hexagonal/Diamond | Electronic structure | He2s²2p² | Ionisation potential ( No./eV ) | 6 / 490 | Ionisation potential ( No./eV ) | 4 / 64.5 | Ionisation potential ( No./eV ) | 1 / 11.26 | Ionisation potential ( No./eV ) | 3 / 47.9 | Ionisation potential ( No./eV ) | 2 / 24.38 | Ionisation potential ( No./eV ) | 5 / 392 | Natural isotope distribution ( Mass No./% ) | 12 / 98.89 | Natural isotope distribution ( Mass No./% ) | 13 / 1.11 | Photo-electric work function ( eV ) | 4.80 | Thermal neutron absorption cross-section ( Barns ) | 0.0034 | Valences shown | 2 , 3, 4 | Physical Properties(物理性质) | Boiling point ( C ) | 5000 | Density ( g cm⁻³ ) | 2.250 @20℃ | Electrical Properties(电气特性) | Electrical resistivity ( μOhmcm ) | 1375@0℃ | Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 0.70 |
其他参数 公差 直径 | ≤10mm | ±10% |
---|
聚合物 | +20% / -10% | 陶瓷 | +20% / -10% | |
>10mm | ±5% | 陶瓷 | +20% / -10% | 聚合物 | +20% / -10% | |
长度 | <100mm | ±1mm |
---|
≥100mm | +5% / -1% |
| |
Goodfellow(顾特服)电话: 点击&查看18024074014地址:
同品牌产品:
相关产品:
|