Tolerance on thickness : +/-20%.

订货号	包装规格
984-869-82	25mm x 25mm

半岛bd体育手机客户端 参数

Purity[纯度]	99.9%
Temper[状态]	As Rolled
Thickness[厚度]	0.15mm
Typical Analysis(典型分析)
Ag	1 PPM
Al	5 PPM
Ba	10 PPM
Ca	30 PPM
Cu	1 PPM
Fe	30 PPM
Mg	1 PPM
Na	20 PPM
Pb	30 PPM
Pd	20 PPM
Pt	20 PPM
Rh	200 PPM
Ru	5 PPM
Si	20 PPM
Atomic Properties(原子属性)
Atomic number	77
Atomic weight ( amu )	192.22000
Crystal structure	Face Centred Cubic
Electronic structure	Xe4f??5d?6s?
Natural isotope distribution ( Mass No./% )	191 / 37.3
Natural isotope distribution ( Mass No./% )	193 / 62.7
Photo-electric work function ( eV )	4.60
Thermal neutron absorption cross-section ( Barns )	425.0000
Valences shown	3 , 4
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? )	6.800 @0-100℃
Latent heat of evaporation ( J g?? )	3186
Latent heat of fusion ( J g?? )	135.00
Melting point ( C )	2410.00
Specific heat ( J K?? kg?? )	133.0 @25℃
Thermal conductivity ( W m?? K?? )	147.00 @0-100℃
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Hard )	371.0
Bulk modulus ( GPa ) ( Soft )	371.0
Hardness - Vickers ( kgf mm?? ) ( Hard )	650
Hardness - Vickers ( kgf mm?? ) ( Soft )	200 - 300
Material condition	Soft
Material condition	Hard
Poisson's ratio ( Hard )	0.260
Poisson's ratio ( Soft )	0.260
Tensile modulus ( GPa ) ( Hard )	528.00
Tensile modulus ( GPa ) ( Soft )	528.00
Tensile strength ( MPa ) ( Hard )	1200.00
Tensile strength ( MPa ) ( Soft )	550.00 - 1100.00
Physical Properties(物理性质)
Boiling point ( C )	4130
Density ( g cm?? )	22.400 @20℃
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )	5.1@20℃
Superconductivity critical temperature ( K )	0.1100
Temperature coefficient ( K?? )	0.00450 @0-100℃
Thermal emf against Pt (cold 0C - hot 100C) ( mV )	0.65

其他参数

公差

长度	<100mm	±1mm
	≥100mm	+2% / -1%
直径	<100mm	±1mm
	≥100mm	+2% / -1%
厚度	<0.01mm	±25%
	≤0.05mm	±15%
	>0.05mm	±10%
长度 1	<100mm	±1mm
	≥100mm	+2% / -1%
长度 2	<100mm	±1mm
	≥100mm	+2% / -1%