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Zirconium Material Property Data Sheet

Do you need custom fasteners created with Zirconium? Since our inception, Vegas Fastener Manufacturing 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. %

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

Physical PropertiesMetricEnglishComments
Density6.53 g/cc0.236 lb/in 

Mechanical Properties
Hardness, Brinell145145 Converted from Vickers for 3000 kg load/10 mm ball. Annealed sample
Hardness, Rockwell A4949 Converted from Vickers. annealed sample
Hardness, Rockwell B7878 Converted from Vickers. Annealed sample
Hardness, Vickers150150 annealed sample
Tensile Strength, Ultimate330 MPa47900 psi Annealed
Tensile Strength, Yield230 MPa33400 psi Annealed
Elongation at Break32 %32 % Annealed
Modulus of Elasticity94.5 GPa13700 ksi 
Poisson's Ratio0.340.34 
Shear Modulus35.3 GPa5120 ksi Calculated

Electrical Properties
Electrical Resistivity4e-005 ohm-cm4e-005 ohm-cm 
Magnetic Susceptibility1.34e-0061.34e-006 cgs/g
Critical Magnetic Field Strength, Oersted4747 
Critical Superconducting Temperature0.61 K0.61 K 0.15; 0.65, 0.95 K for omega Zr.

Thermal Properties
Heat of Fusion251 J/g108 BTU/lb 
CTE, linear 20C5.8 m/m-C3.22 in/in-F over the range 20-100C
CTE, linear 250C6.3 m/m-C3.5 in/in-F 
CTE, linear 500C6.9 m/m-C3.83 in/in-F 
Heat Capacity0.285 J/g-C0.0681 BTU/lb-F 
Thermal Conductivity16.7 W/m-K116 BTU-in/hr-ft-F 
Melting Point1852 C3370 F 

Optical Properties
Emissivity (0-1)0.320.32 650 nm; unoxidized; total

Descriptive Properties
CAS Number7440-67-7 

References are available for this material.


This information is provided by MatWeb.com, The Online Materials Database and is reprinted with their permission.

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