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	PRODUCT DATA of Zirconium

Material	Zirconium
General Information	The 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 Composition	100Zr

	EXPERIENCE IN PRACTICE

Equivalent Designations

Zr

	PHYSICAL PROPERTIES

Atomic Number	40
Atomic Weight	91.2amu
Work Function	3.8 eV
Crystal Structure	Hexagonal close pack (hcp)
Surface Energy	16020 to 1850 mJ/m^2
Specific Gravity	6.49

	ELASTIC PROPERTIES

Tensile Modulus	98 GPa
Poisson Ratio	0.38
Speed of Sound (longitudinal)	4650 m/s
Speed of Sound (transverse)	2250 m/s
Acoustic Impedance	30.1 MRayls

	ELECTRICAL PROPERTIES

Electrical Volume Resistivity

4.4e-7 ohm.m

	THERMAL PROPERTIES

Thermal Conductivity	22.6 W/m.K
Thermal Expansion Coefficient	5.9 μstrain/°C
Melting Range	1850 °C
Specific Heat	0.281 J/g.K