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Class 4 Tungsten vs. Grade 35 Titanium

Class 4 tungsten belongs to the otherwise unclassified metals classification, while grade 35 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 class 4 tungsten and the bottom bar is grade 35 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 270
110
Elongation at Break, % 2.3
5.6
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 110
41
Tensile Strength: Ultimate (UTS), MPa 790
1000
Tensile Strength: Yield (Proof), MPa 580
630

Thermal Properties

Latent Heat of Fusion, J/g 170
420
Specific Heat Capacity, J/kg-K 130
550
Thermal Conductivity, W/m-K 30
7.4
Thermal Expansion, µm/m-K 4.5
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
1.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
2.2

Otherwise Unclassified Properties

Density, g/cm3 16
4.6
Embodied Carbon, kg CO2/kg material 24
33
Embodied Energy, MJ/kg 360
530
Embodied Water, L/kg 150
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16
49
Resilience: Unit (Modulus of Resilience), kJ/m3 620
1830
Stiffness to Weight: Axial, points 9.6
13
Stiffness to Weight: Bending, points 14
35
Strength to Weight: Axial, points 14
61
Strength to Weight: Bending, points 12
49
Thermal Diffusivity, mm2/s 15
3.0
Thermal Shock Resistance, points 46
70

Alloy Composition

Aluminum (Al), % 0
4.0 to 5.0
Carbon (C), % 0
0 to 0.080
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0.2 to 0.8
Molybdenum (Mo), % 0
1.5 to 2.5
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Silicon (Si), % 0
0.2 to 0.4
Titanium (Ti), % 0
88.4 to 93
Tungsten (W), % 97
0
Vanadium (V), % 0
1.1 to 2.1
Residuals, % 0
0 to 0.4