Do you need custom fasteners created with Zirconium? Since our inception, Vegas Fastener Group has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Zirconium Bar Stock we have available to meet your needs.

Zirconium, Zr

Subcategory: Metal; Nonferrous Metal; Pure Metallic Element; Zirconium Alloy

Component Wt. %
Zr 100

Material Notes: This entry is for pure Zr; MatWeb also has Zr alloys.

Physical Properties Metric English Comments
Density 6.53 g/cc 0.236 lb/in³
Mechanical Properties
Hardness, Brinell 145 145 Converted from Vickers for 3000 kg load/10 mm ball. Annealed sample
Hardness, Rockwell A 49 49 Converted from Vickers. annealed sample
Hardness, Rockwell B 78 78 Converted from Vickers. Annealed sample
Hardness, Vickers 150 150 annealed sample
Tensile Strength, Ultimate 330 MPa 47900 psi Annealed
Tensile Strength, Yield 230 MPa 33400 psi Annealed
Elongation at Break 32 % 32 % Annealed
Modulus of Elasticity 94.5 GPa 13700 ksi
Poisson’s Ratio 0.34 0.34
Shear Modulus 35.3 GPa 5120 ksi Calculated
Electrical Properties
Electrical Resistivity 4e-005 ohm-cm 4e-005 ohm-cm
Magnetic Susceptibility 1.34e-006 1.34e-006 cgs/g
Critical Magnetic Field Strength, Oersted 47 47
Critical Superconducting Temperature 0.61 K 0.61 K ±0.15; 0.65, 0.95 K for omega Zr.
Thermal Properties
Heat of Fusion 251 J/g 108 BTU/lb
CTE, linear 20°C 5.8 µm/m-°C 3.22 µin/in-°F over the range 20-100ºC
CTE, linear 250°C 6.3 µm/m-°C 3.5 µin/in-°F
CTE, linear 500°C 6.9 µm/m-°C 3.83 µin/in-°F
Heat Capacity 0.285 J/g-°C 0.0681 BTU/lb-°F
Thermal Conductivity 16.7 W/m-K 116 BTU-in/hr-ft²-°F
Melting Point 1852 °C 3370 °F
Optical Properties
Emissivity (0-1) 0.32 0.32 650 nm; unoxidized; total
Descriptive Properties
CAS Number 7440-67-7

References are available for this material.