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Grade 2 Titanium vs. Class 3 Tungsten

Grade 2 titanium belongs to the titanium alloys classification, while class 3 tungsten belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is grade 2 titanium and the bottom bar is class 3 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
270
Elongation at Break, % 23
3.4
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 38
100
Tensile Strength: Ultimate (UTS), MPa 420
830
Tensile Strength: Yield (Proof), MPa 360
580

Thermal Properties

Latent Heat of Fusion, J/g 420
170
Specific Heat Capacity, J/kg-K 540
120
Thermal Conductivity, W/m-K 22
30
Thermal Expansion, µm/m-K 9.0
4.5

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
15
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
8.5

Otherwise Unclassified Properties

Density, g/cm3 4.5
15
Embodied Carbon, kg CO2/kg material 31
23
Embodied Energy, MJ/kg 510
360
Embodied Water, L/kg 110
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
25
Resilience: Unit (Modulus of Resilience), kJ/m3 600
630
Stiffness to Weight: Axial, points 13
9.6
Stiffness to Weight: Bending, points 35
14
Strength to Weight: Axial, points 26
15
Strength to Weight: Bending, points 28
13
Thermal Diffusivity, mm2/s 8.9
15
Thermal Shock Resistance, points 32
49

Alloy Composition

Carbon (C), % 0 to 0.080
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Titanium (Ti), % 98.9 to 100
0
Tungsten (W), % 0
95
Residuals, % 0
5.0