R58150 Titanium vs. Type 4 Niobium

R58150 titanium belongs to the titanium alloys classification, while Type 4 niobium belongs to the otherwise unclassified metals. There are 18 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 R58150 titanium and the bottom bar is Type 4 niobium.

UNS R58150 Titanium (Ti-15Mo)Type 4 (Alloyed Commercial Grade, R04261) Niobium

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		140
Elastic (Young's, Tensile) Modulus, GPa		110

Elongation at Break, %		13
Elongation at Break, %		23

Poisson's Ratio		0.32
Poisson's Ratio		0.4

Shear Modulus, GPa		52
Shear Modulus, GPa		38

Tensile Strength: Ultimate (UTS), MPa		770
Tensile Strength: Ultimate (UTS), MPa		220

Tensile Strength: Yield (Proof), MPa		550
Tensile Strength: Yield (Proof), MPa		140

Thermal Properties

Latent Heat of Fusion, J/g		410
Latent Heat of Fusion, J/g		310

Specific Heat Capacity, J/kg-K		500
Specific Heat Capacity, J/kg-K		270

Thermal Expansion, µm/m-K		8.4
Thermal Expansion, µm/m-K		7.3

Otherwise Unclassified Properties

Density, g/cm³		5.4
Density, g/cm³		8.6

Embodied Water, L/kg		150
Embodied Water, L/kg		160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		94
Resilience: Ultimate (Unit Rupture Work), MJ/m³		44

Resilience: Unit (Modulus of Resilience), kJ/m³		1110
Resilience: Unit (Modulus of Resilience), kJ/m³		93

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		6.8

Stiffness to Weight: Bending, points		32
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		40
Strength to Weight: Axial, points		7.2

Strength to Weight: Bending, points		35
Strength to Weight: Bending, points		9.5

Thermal Shock Resistance, points		48
Thermal Shock Resistance, points		21

Alloy Composition

Carbon (C), %		0 to 0.1
Carbon (C), %		0 to 0.010

Hafnium (Hf), %		0
Hafnium (Hf), %		0 to 0.020

Hydrogen (H), %		0 to 0.015
Hydrogen (H), %		0 to 0.0015

Iron (Fe), %		0 to 0.1
Iron (Fe), %		0 to 0.010

Molybdenum (Mo), %		14 to 16
Molybdenum (Mo), %		0 to 0.050

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.0050

Niobium (Nb), %		0
Niobium (Nb), %		98.1 to 99.2

Nitrogen (N), %		0 to 0.050
Nitrogen (N), %		0 to 0.010

Oxygen (O), %		0 to 0.2
Oxygen (O), %		0 to 0.025

Silicon (Si), %		0
Silicon (Si), %		0 to 0.0050

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

Titanium (Ti), %		83.5 to 86
Titanium (Ti), %		0 to 0.020

Tungsten (W), %		0
Tungsten (W), %		0 to 0.050

Zirconium (Zr), %		0
Zirconium (Zr), %		0.8 to 1.2