Reactor Grade Zirconium vs. Titanium 6-7

Reactor grade zirconium belongs to the otherwise unclassified metals classification, while titanium 6-7 belongs to the titanium alloys. There are 18 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is reactor grade zirconium and the bottom bar is titanium 6-7.

Reactor Grade (R60001) Zirconium Titanium 6-7 (R56700)

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, %		11

Poisson's Ratio		0.34
Poisson's Ratio		0.33

Shear Modulus, GPa		37
Shear Modulus, GPa		45

Tensile Strength: Ultimate (UTS), MPa		330
Tensile Strength: Ultimate (UTS), MPa		1020

Tensile Strength: Yield (Proof), MPa		160
Tensile Strength: Yield (Proof), MPa		900

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		410

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		520

Thermal Expansion, µm/m-K		5.9
Thermal Expansion, µm/m-K		9.3

Otherwise Unclassified Properties

Density, g/cm³		6.5
Density, g/cm³		5.1

Embodied Water, L/kg		280
Embodied Water, L/kg		190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		56
Resilience: Ultimate (Unit Rupture Work), MJ/m³		110

Resilience: Unit (Modulus of Resilience), kJ/m³		130
Resilience: Unit (Modulus of Resilience), kJ/m³		3460

Stiffness to Weight: Axial, points		8.4
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		32

Strength to Weight: Axial, points		14
Strength to Weight: Axial, points		56

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		44

Thermal Shock Resistance, points		41
Thermal Shock Resistance, points		66

Alloy Composition

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Aluminum (Al), %		0
Aluminum (Al), %		5.5 to 6.5

Carbon (C), %		0
Carbon (C), %		0 to 0.080

Hydrogen (H), %		0
Hydrogen (H), %		0 to 0.0090

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

Molybdenum (Mo), %		0
Molybdenum (Mo), %		6.5 to 7.5

Niobium (Nb), %		0
Niobium (Nb), %		6.5 to 7.5

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.050

Oxygen (O), %		0
Oxygen (O), %		0 to 0.2

Tantalum (Ta), %		0
Tantalum (Ta), %		0 to 0.5

Titanium (Ti), %		0
Titanium (Ti), %		84.9 to 88

Zirconium (Zr), %		99.7 to 100
Zirconium (Zr), %		0

Residuals, %		0 to 0.27
Residuals, %		0