订货号	包装规格
Sizes
306-166-68	25mm x 25mm
005-612-04	50mm x 50mm

半岛bd体育手机客户端 参数

Purity[纯度]	99.8%
Support[载体]	Temporary Acrylic
Thickness[厚度]	0.002mm
Typical Analysis(典型分析)
Ag	1 PPM
Al	2 PPM
B	2 PPM
Ba	3 PPM
Ca	50 PPM
Cr	25 PPM
Cu	500 PPM
Fe	40 PPM
Mg	1 PPM
Mn	1 PPM
Mo	15 PPM
Ni	800 PPM
Si	8 PPM
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )	6.34@20℃
Temperature coefficient ( K?? )	0.00660 @0-100℃
Thermal emf against Pt (cold 0C - hot 100C) ( mV )	-1.33
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Hard )	181.5
Bulk modulus ( GPa ) ( Soft )	181.5
Hardness - Vickers ( kgf mm?? ) ( Hard )	320
Hardness - Vickers ( kgf mm?? ) ( Soft )	170
Material condition	Hard
Material condition	Soft
Poisson's ratio ( Hard )	0.320
Poisson's ratio ( Soft )	0.320
Tensile modulus ( GPa ) ( Hard )	211.00
Tensile modulus ( GPa ) ( Soft )	211.00
Tensile strength ( MPa ) ( Hard )	1135.00
Tensile strength ( MPa ) ( Soft )	760.00
Yield strength ( MPa ) ( Soft )	345.0 - 485.0
Atomic Properties(原子属性)
Atomic number	27
Atomic weight ( amu )	58.93320
Crystal structure	Hexagonal Close Packed
Electronic structure	Ar3d?4s?
Ionisation potential ( No./eV )	2 / 17.06
Ionisation potential ( No./eV )	4 / 51.3
Ionisation potential ( No./eV )	3 / 33.5
Ionisation potential ( No./eV )	1 / 79.5
Ionisation potential ( No./eV )	1 / 7.86
Ionisation potential ( No./eV )	6 / 102
Photo-electric work function ( eV )	5.00
Thermal neutron absorption cross-section ( Barns )	37.5000
Valences shown	2 , 3
Physical Properties(物理性质)
Boiling point ( C )	2870
Density ( g cm?? )	8.900 @20℃
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? )	12.500 @0-100℃
Latent heat of evaporation ( J g?? )	6490
Latent heat of fusion ( J g?? )	263.00
Melting point ( C )	1495.00
Specific heat ( J K?? kg?? )	456.0 @25℃
Thermal conductivity ( W m?? K?? )	100.00 @0-100℃

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%

人体健康

吸入、摄入或通过皮肤吸收后可能造成死亡或对健康造成急性或慢性损害的化学品。