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Class 3 Tungsten vs. 4006 Aluminum

Class 3 tungsten belongs to the otherwise unclassified metals classification, while 4006 aluminum belongs to the aluminum 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 3 tungsten and the bottom bar is 4006 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 270
69
Elongation at Break, % 3.4
3.4 to 24
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 100
26
Tensile Strength: Ultimate (UTS), MPa 830
110 to 160
Tensile Strength: Yield (Proof), MPa 580
62 to 140

Thermal Properties

Latent Heat of Fusion, J/g 170
410
Specific Heat Capacity, J/kg-K 120
900
Thermal Conductivity, W/m-K 30
220
Thermal Expansion, µm/m-K 4.5
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
56
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
180

Otherwise Unclassified Properties

Density, g/cm3 15
2.7
Embodied Carbon, kg CO2/kg material 23
8.1
Embodied Energy, MJ/kg 360
150
Embodied Water, L/kg 150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
5.1 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 630
28 to 130
Stiffness to Weight: Axial, points 9.6
14
Stiffness to Weight: Bending, points 14
50
Strength to Weight: Axial, points 15
11 to 16
Strength to Weight: Bending, points 13
19 to 24
Thermal Diffusivity, mm2/s 15
89
Thermal Shock Resistance, points 49
4.9 to 7.0

Alloy Composition

Aluminum (Al), % 0
97.4 to 98.7
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 0
0.5 to 0.8
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0
0 to 0.050
Silicon (Si), % 0
0.8 to 1.2
Tungsten (W), % 95
0
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.15