Grade 7 Titanium vs. R60704 Alloy

Grade 7 titanium belongs to the titanium alloys classification, while R60704 alloy belongs to the otherwise unclassified metals. There are 20 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 grade 7 titanium and the bottom bar is R60704 alloy.

Grade 7 (3.7235, R52400) Titanium UNS R60704 Zirconium-Tin Alloy

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		24
Elongation at Break, %		16

Poisson's Ratio		0.32
Poisson's Ratio		0.34

Shear Modulus, GPa		38
Shear Modulus, GPa		36

Tensile Strength: Ultimate (UTS), MPa		420
Tensile Strength: Ultimate (UTS), MPa		470

Tensile Strength: Yield (Proof), MPa		340
Tensile Strength: Yield (Proof), MPa		270

Thermal Properties

Latent Heat of Fusion, J/g		420
Latent Heat of Fusion, J/g		240

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

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

Thermal Expansion, µm/m-K		9.2
Thermal Expansion, µm/m-K		6.0

Otherwise Unclassified Properties

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

Embodied Water, L/kg		470
Embodied Water, L/kg		460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		95
Resilience: Ultimate (Unit Rupture Work), MJ/m³		64

Resilience: Unit (Modulus of Resilience), kJ/m³		560
Resilience: Unit (Modulus of Resilience), kJ/m³		370

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		26
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		28
Strength to Weight: Bending, points		20

Thermal Diffusivity, mm²/s		8.9
Thermal Diffusivity, mm²/s		12

Thermal Shock Resistance, points		31
Thermal Shock Resistance, points		58

Alloy Composition

Carbon (C), %		0 to 0.080
Carbon (C), %		0 to 0.050

Chromium (Cr), %		0
Chromium (Cr), %		0.2 to 0.4

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 0.3
Iron (Fe), %		0.2 to 0.4

Nitrogen (N), %		0 to 0.030
Nitrogen (N), %		0 to 0.025

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

Palladium (Pd), %		0.12 to 0.25
Palladium (Pd), %		0

Tin (Sn), %		0
Tin (Sn), %		1.0 to 2.0

Titanium (Ti), %		98.7 to 99.88
Titanium (Ti), %		0

Zirconium (Zr), %		0
Zirconium (Zr), %		93 to 98.8

Residuals, %		0 to 0.4
Residuals, %		0