Zirconium (Zr) Specifications

Material Type        Zirconium
Symbol        Zr
Atomic Weight        91.224
Atomic Number        40
Color/Appearance        Silvery White, Metallic
Thermal Conductivity        22.7 W/m.K
Melting Point (°C)        1,852
Coefficient of Thermal Expansion        5.7 x 10-6/K
Theoretical Density (g/cc)        6.49
Z Ratio        0.6
Sputter        DC
Max Power Density
(Watts/Square Inch)        50*
Type of Bond        Indium, Elastomer
Export Control (ECCN)        1C234
Comments        Alloys with W. Films oxidize readily.