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Class 1 Tungsten vs. Grade 35 Titanium

Class 1 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 1 tungsten and the bottom bar is grade 35 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 250
110
Elongation at Break, % 5.7
5.6
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 98
41
Tensile Strength: Ultimate (UTS), MPa 860
1000
Tensile Strength: Yield (Proof), MPa 580
630

Thermal Properties

Latent Heat of Fusion, J/g 160
420
Specific Heat Capacity, J/kg-K 120
550
Thermal Conductivity, W/m-K 21
7.4
Thermal Expansion, µm/m-K 5.1
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
1.1
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
2.2

Otherwise Unclassified Properties

Density, g/cm3 15
4.6
Embodied Carbon, kg CO2/kg material 22
33
Embodied Energy, MJ/kg 340
530
Embodied Water, L/kg 140
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
49
Resilience: Unit (Modulus of Resilience), kJ/m3 660
1830
Stiffness to Weight: Axial, points 9.6
13
Stiffness to Weight: Bending, points 14
35
Strength to Weight: Axial, points 16
61
Strength to Weight: Bending, points 14
49
Thermal Diffusivity, mm2/s 12
3.0
Thermal Shock Resistance, points 48
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), % 90
0
Vanadium (V), % 0
1.1 to 2.1
Residuals, % 0
0 to 0.4