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材料 >> 金属材料
钽,管, Ta, 2mm ID, 3mm OD, As Drawn Temper, 3N
钽,管, Ta, 2mm ID, 3mm OD, As Drawn Temper, 3N图片
品牌: Goodfellow
纯度含量: 99.9%
产地: 英国
索取资料及报价
品牌: Goodfellow
纯度含量: 99.9%
产地: 英国
半岛bd体育手机客户端 介绍
订货号 包装规格
Length (Round)
234-278-73 100mm
284-846-24 200mm
605-783-98 500mm
722-998-29 1000mm

半岛bd体育手机客户端 参数

Inside Diameter[内部直径] 2mm
Length[长度] 100mm - 1000mm
Outside Diameter[外部直径] 3mm
Purity[纯度] 99.9%
Temper[状态] As Drawn
Wall Thickness[壁厚] 0.5mm
Typical Analysis(典型分析)
Al 5 PPM
Ca 2 PPM
Co 1 PPM
Cr 5 PPM
Cu 2 PPM
Fe 30 PPM
Mg 5 PPM
Mn 2 PPM
Mo 100 PPM
Na 10 PPM
Nb <500 PPM
Ni 3 PPM
Si 10 PPM
Sn 2 PPM
Ti 20 PPM
V 5 PPM
W 100 PPM
Zr 10 PPM
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Hard ) 196.3
Bulk modulus ( GPa ) ( Soft ) 196.3
Hardness - Vickers ( kgf mm?? ) ( Hard ) 200
Hardness - Vickers ( kgf mm?? ) ( Soft ) 90
Material condition Hard
Material condition Soft
Poisson's ratio ( Hard ) 0.342
Poisson's ratio ( Soft ) 0.342
Tensile modulus ( GPa ) ( Hard ) 185.70
Tensile modulus ( GPa ) ( Soft ) 185.70
Tensile strength ( MPa ) ( Hard ) 760.00
Tensile strength ( MPa ) ( Soft ) 172.00 - 207.00
Yield strength ( MPa ) ( Hard ) 705.0
Yield strength ( MPa ) ( Soft ) 310.0 - 380.0
Atomic Properties(原子属性)
Atomic number 73
Atomic weight ( amu ) 180.94790
Crystal structure Body Centred Cubic
Electronic structure Xe4f??5d?6s?
Ionisation potential ( No./eV ) 1 / 7.88
Ionisation potential ( No./eV ) 2 / 16.2
Natural isotope distribution ( Mass No./% ) 180 / 0.012
Natural isotope distribution ( Mass No./% ) 181 / 99.988
Photo-electric work function ( eV ) 4.10
Thermal neutron absorption cross-section ( Barns ) 22.0000
Valences shown 2 ,3,4,5
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm ) 13.5@20℃
Superconductivity critical temperature ( K ) 4.4700
Temperature coefficient ( K?? ) 0.00350 @0-100℃
Thermal emf against Pt (cold 0C - hot 100C) ( mV ) 0.33
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? ) 6.500 @0-100℃
Latent heat of evaporation ( J g?? ) 4165
Latent heat of fusion ( J g?? ) 174.00
Melting point ( C ) 2996.00
Specific heat ( J K?? kg?? ) 140.0 @25℃
Thermal conductivity ( W m?? K?? ) 57.50 @0-100
Physical Properties(物理性质)
Boiling point ( C ) 5425
Density ( g cm?? ) 16.600 @20℃

其他参数

公差

外部直径 ≤2mm ±0.05mm
聚合物 ±10%
陶瓷 ±10%
≤5mm ±0.1mm
聚合物 ±10%
陶瓷 ±10%
>5mm ±5%
聚合物 ±10%
陶瓷 ±10%
壁厚 ±10%
聚合物 ±20%
陶瓷 ±20%
长度 <100mm ±1mm
≥100mm +5% / -1%
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