Grade 1 Titanium vs. Grade 702C Zirconium

Grade 1 titanium belongs to the titanium alloys classification, while grade 702C zirconium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is grade 702C zirconium.

Grade 1 (3.7025, R50250) Titanium Grade 702C Cast Zirconium

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		120
Brinell Hardness		180

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		97

Elongation at Break, %		28
Elongation at Break, %		13

Poisson's Ratio		0.32
Poisson's Ratio		0.34

Shear Modulus, GPa		39
Shear Modulus, GPa		36

Tensile Strength: Ultimate (UTS), MPa		310
Tensile Strength: Ultimate (UTS), MPa		430

Tensile Strength: Yield (Proof), MPa		220
Tensile Strength: Yield (Proof), MPa		310

Thermal Properties

Latent Heat of Fusion, J/g		420
Latent Heat of Fusion, J/g		250

Specific Heat Capacity, J/kg-K		540
Specific Heat Capacity, J/kg-K		270

Thermal Conductivity, W/m-K		20
Thermal Conductivity, W/m-K		22

Thermal Expansion, µm/m-K		8.8
Thermal Expansion, µm/m-K		5.7

Otherwise Unclassified Properties

Density, g/cm³		4.5
Density, g/cm³		6.7

Embodied Water, L/kg		110
Embodied Water, L/kg		450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		79
Resilience: Ultimate (Unit Rupture Work), MJ/m³		52

Resilience: Unit (Modulus of Resilience), kJ/m³		230
Resilience: Unit (Modulus of Resilience), kJ/m³		510

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		8.1

Stiffness to Weight: Bending, points		35
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		19
Strength to Weight: Axial, points		18

Strength to Weight: Bending, points		23
Strength to Weight: Bending, points		19

Thermal Diffusivity, mm²/s		8.2
Thermal Diffusivity, mm²/s		12

Thermal Shock Resistance, points		24
Thermal Shock Resistance, points		55

Alloy Composition

Carbon (C), %		0 to 0.080
Carbon (C), %		0 to 0.1

Hafnium (Hf), %		0
Hafnium (Hf), %		0 to 4.5

Hydrogen (H), %		0 to 0.015
Hydrogen (H), %		0 to 0.0050

Iron (Fe), %		0 to 0.2
Iron (Fe), %		0 to 0.3

Nitrogen (N), %		0 to 0.030
Nitrogen (N), %		0 to 0.030

Oxygen (O), %		0 to 0.18
Oxygen (O), %		0 to 0.25

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.010

Titanium (Ti), %		99.095 to 100
Titanium (Ti), %		0

Zirconium (Zr), %		0
Zirconium (Zr), %		94.8 to 100

Residuals, %		0 to 0.4
Residuals, %		0