订货号	包装规格
Length (Round)
293-283-74	20 mm

半岛bd体育手机客户端 参数

Diameter[直径]	6mm
Length[长度]	20 mm
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )	90@25℃
Temperature coefficient ( K?? )	0.00480 @0-100℃
Atomic Properties(原子属性)
Atomic number	63
Atomic weight ( amu )	151.96000
Crystal structure	Body Centred Cubic
Electronic structure	Xe4f?6s?
Ionisation potential ( No./eV )	1 / 5.67
Ionisation potential ( No./eV )	2 / 11.25
Natural isotope distribution ( Mass No./% )	153 / 52.2
Natural isotope distribution ( Mass No./% )	151 / 47.8
Photo-electric work function ( eV )	2.50
Thermal neutron absorption cross-section ( Barns )	4100.0000
Valences shown	2 , 3
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? )	32.000 @0-100℃
Latent heat of evaporation ( J g?? )	1155
Latent heat of fusion ( J g?? )	63.40
Melting point ( C )	822.00
Specific heat ( J K?? kg?? )	176.0 @25℃
Thermal conductivity ( W m?? K?? )	13.90 @0-100℃
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Polycrystalline )	12.1
Hardness - Vickers ( kgf mm?? ) ( Polycrystalline )	20
Material condition	Polycrystalline
Poisson's ratio ( Polycrystalline )	0.286
Tensile modulus ( GPa ) ( Polycrystalline )	14.70
Physical Properties(物理性质)
Boiling point ( C )	1597
Density ( g cm?? )	5.243 @25℃

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%

易燃

与火焰接触后点燃的化学品，或与水接触后逸出高度易燃气体的化学品。