R60705 Alloy vs. Titanium 6-7

R60705 alloy belongs to the otherwise unclassified metals classification, while titanium 6-7 belongs to the titanium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is R60705 alloy and the bottom bar is titanium 6-7.

UNS R60705 Zirconium-Niobium Alloy 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, %		18
Elongation at Break, %		11

Fatigue Strength, MPa		290
Fatigue Strength, MPa		530

Poisson's Ratio		0.34
Poisson's Ratio		0.33

Shear Modulus, GPa		37
Shear Modulus, GPa		45

Tensile Strength: Ultimate (UTS), MPa		540
Tensile Strength: Ultimate (UTS), MPa		1020

Tensile Strength: Yield (Proof), MPa		430
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		6.3
Thermal Expansion, µm/m-K		9.3

Otherwise Unclassified Properties

Density, g/cm³		6.7
Density, g/cm³		5.1

Embodied Water, L/kg		450
Embodied Water, L/kg		190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		90
Resilience: Ultimate (Unit Rupture Work), MJ/m³		110

Resilience: Unit (Modulus of Resilience), kJ/m³		950
Resilience: Unit (Modulus of Resilience), kJ/m³		3460

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

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		32

Strength to Weight: Axial, points		22
Strength to Weight: Axial, points		56

Strength to Weight: Bending, points		22
Strength to Weight: Bending, points		44

Thermal Shock Resistance, points		63
Thermal Shock Resistance, points		66

Alloy Composition

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

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

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

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

Hydrogen (H), %		0 to 0.0050
Hydrogen (H), %		0 to 0.0090

Iron (Fe), %		0 to 0.2
Iron (Fe), %		0 to 0.25

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

Niobium (Nb), %		2.0 to 3.0
Niobium (Nb), %		6.5 to 7.5

Nitrogen (N), %		0 to 0.025
Nitrogen (N), %		0 to 0.050

Oxygen (O), %		0 to 0.18
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), %		91 to 98
Zirconium (Zr), %		0