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镁,棒, Mg, 7.9mm直径, As Drawn Temper, 3N
镁,棒, Mg, 7.9mm直径, 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
产品介绍
订货号包装规格
Length (Round)
884-517-4525mm
431-446-57100mm
930-812-69200mm
792-890-54300mm
412-104-28400mm
351-575-62500mm
011-876-031000mm

产品参数

Diameter[直径]7.9mm
Length[长度]25mm - 1000mm
Purity[纯度]99.9%
Temper[状态]As Drawn
Typical Analysis(典型分析)
Al70 PPM
Cu20 PPM
Fe280 PPM
Mn170 PPM
Ni<10 PPM
Si50 PPM
Zn<20 PPM
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )26.000 @0-100℃
Latent heat of evaporation ( J g⁻¹ )5254
Latent heat of fusion ( J g⁻¹ )362.00
Melting point ( C )649.00
Specific heat ( J K⁻¹ kg⁻¹ )1020.0 @25℃
Thermal conductivity ( W m⁻¹ K⁻¹ )156.00 @0-100℃
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Hard )35.6
Bulk modulus ( GPa ) ( Soft )35.6
Hardness - Vickers ( kgf mm⁻² ) ( Hard )35 - 45
Hardness - Vickers ( kgf mm⁻² ) ( Soft )30 - 35
Material conditionHard
Material conditionSoft
Poisson's ratio ( Hard )0.291
Poisson's ratio ( Soft )0.291
Tensile modulus ( GPa ) ( Hard )44.70
Tensile modulus ( GPa ) ( Soft )44.70
Tensile strength ( MPa ) ( Hard )232.00
Tensile strength ( MPa ) ( Soft )185.00
Yield strength ( MPa ) ( Hard )100.0
Yield strength ( MPa ) ( Soft )69.0
Atomic Properties(原子属性)
Atomic number12
Atomic weight ( amu )24.30500
Crystal structureHexagonal Close Packed
Electronic structureNe3s²
Ionisation potential ( No./eV )2 / 15.03
Ionisation potential ( No./eV )6 / 187
Ionisation potential ( No./eV )4 / 109
Ionisation potential ( No./eV )5 / 141
Ionisation potential ( No./eV )1 / 7.65
Ionisation potential ( No./eV )3 / 80.1
Natural isotope distribution ( Mass No./% )24 / 78.99
Natural isotope distribution ( Mass No./% )26 / 11.01
Natural isotope distribution ( Mass No./% )25 / 10.00
Photo-electric work function ( eV )3.66
Thermal neutron absorption cross-section ( Barns )0.0640
Valences shown2
Physical Properties(物理性质)
Boiling point ( C )1090
Density ( g cm⁻³ )1.740 @20℃
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )4.2@20℃
Temperature coefficient ( K⁻¹ )0.00425 @0-100℃
Thermal emf against Pt (cold 0C - hot 100C) ( mV )0.44

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%
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