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PRODUCT DATA of Zirconium
MaterialZirconium
General InformationThe metal is extremely corrosion resistant due to the formation of a stable oxide film and is unaffected by acids (with the exception of HF) and alkalis
Chemical Composition100Zr
EXPERIENCE IN PRACTICE
Equivalent DesignationsZr
PHYSICAL PROPERTIES
Atomic Number40
Atomic Weight91.2amu
Work Function3.8 eV
Crystal StructureHexagonal close pack (hcp)
Surface Energy16020 to 1850 mJ/m^2
Specific Gravity6.49
ELASTIC PROPERTIES
Tensile Modulus98 GPa
Poisson Ratio0.38
Speed of Sound (longitudinal)4650 m/s
Speed of Sound (transverse)2250 m/s
Acoustic Impedance30.1 MRayls
ELECTRICAL PROPERTIES
Electrical Volume Resistivity4.4e-7 ohm.m
THERMAL PROPERTIES
Thermal Conductivity22.6 W/m.K
Thermal Expansion Coefficient5.9 μstrain/°C
Melting Range1850 °C
Specific Heat0.281 J/g.K