Reactor Grade Zirconium vs. C18600 Copper

Reactor grade zirconium belongs to the otherwise unclassified metals classification, while C18600 copper belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is reactor grade zirconium and the bottom bar is C18600 copper.

Reactor Grade (R60001) Zirconium UNS C18600 Chromium Copper

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		98
Elastic (Young's, Tensile) Modulus, GPa		120

Elongation at Break, %		21
Elongation at Break, %		8.0 to 11

Poisson's Ratio		0.34
Poisson's Ratio		0.34

Shear Modulus, GPa		37
Shear Modulus, GPa		44

Tensile Strength: Ultimate (UTS), MPa		330
Tensile Strength: Ultimate (UTS), MPa		520 to 580

Tensile Strength: Yield (Proof), MPa		160
Tensile Strength: Yield (Proof), MPa		500 to 520

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		210

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		390

Thermal Conductivity, W/m-K		22
Thermal Conductivity, W/m-K		280

Thermal Expansion, µm/m-K		5.9
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Density, g/cm³		6.5
Density, g/cm³		8.9

Embodied Water, L/kg		280
Embodied Water, L/kg		310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		56
Resilience: Ultimate (Unit Rupture Work), MJ/m³		44 to 58

Resilience: Unit (Modulus of Resilience), kJ/m³		130
Resilience: Unit (Modulus of Resilience), kJ/m³		1060 to 1180

Stiffness to Weight: Axial, points		8.4
Stiffness to Weight: Axial, points		7.3

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		14
Strength to Weight: Axial, points		16 to 18

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		16 to 17

Thermal Diffusivity, mm²/s		13
Thermal Diffusivity, mm²/s		81

Thermal Shock Resistance, points		41
Thermal Shock Resistance, points		19 to 20

Alloy Composition

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Chromium (Cr), %		0
Chromium (Cr), %		0.1 to 1.0

Cobalt (Co), %		0
Cobalt (Co), %		0 to 0.1

Copper (Cu), %		0
Copper (Cu), %		96.5 to 99.55

Iron (Fe), %		0
Iron (Fe), %		0.25 to 0.8

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.25

Titanium (Ti), %		0
Titanium (Ti), %		0.050 to 0.5

Zirconium (Zr), %		99.7 to 100
Zirconium (Zr), %		0.050 to 0.4

Residuals, %		0 to 0.27
Residuals, %		0 to 0.5