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PRODUCT DATA of Uranium
MaterialUranium
General InformationDepleted Uranium
PrecautionsThe metal is radioactive. It will corrode under the influence of air and water producing insoluble uranium(IV) and soluble uranium (VI) salts. Soluble uranium salts are toxic. Uranium is pyrophoric when finely divided
Chemical Composition100U
CAS Registry ID7440-61-1
EXPERIENCE IN PRACTICE
Equivalent DesignationsU
Space ExperiencePoor
PHYSICAL PROPERTIES
Atomic Number92
Atomic Weight238 amu
Crystal StructureOrthorhombic
Specific Gravity19.1
Magnetic PropertiesParamagnetic
ELASTIC PROPERTIES
Tensile Modulus208 GPa
Shear Modulus111 GPa
Bulk Modulus100 GPa
Poisson Ratio0.23
ELECTRICAL PROPERTIES
Electrical Volume Resistivity2.5e-7 to 3e-7 ohm.m
THERMAL PROPERTIES
Thermal Conductivity29.8 W/m.K
Thermal Expansion Coefficient13.9 μstrain/°C
Melting Range1130 °C
Specific Heat0.126 J/g.K
RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY
Atmospheric CorrosionPoor resistance to atmosphere, water and most reagents
MachinabilityModerately difficult to machine
WeldingCan be welded in protective atmosphere or vacuum