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6081 Aluminum vs. Class 2 Tungsten

6081 aluminum belongs to the aluminum alloys classification, while class 2 tungsten belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 6081 aluminum and the bottom bar is class 2 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
260
Elongation at Break, % 9.0
5.7
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
100
Tensile Strength: Ultimate (UTS), MPa 310
860
Tensile Strength: Yield (Proof), MPa 270
580

Thermal Properties

Latent Heat of Fusion, J/g 410
160
Specific Heat Capacity, J/kg-K 900
120
Thermal Conductivity, W/m-K 180
20
Thermal Expansion, µm/m-K 23
4.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
13
Electrical Conductivity: Equal Weight (Specific), % IACS 160
7.8

Otherwise Unclassified Properties

Density, g/cm3 2.7
15
Embodied Carbon, kg CO2/kg material 8.3
23
Embodied Energy, MJ/kg 150
350
Embodied Water, L/kg 1180
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
44
Resilience: Unit (Modulus of Resilience), kJ/m3 540
640
Stiffness to Weight: Axial, points 14
9.6
Stiffness to Weight: Bending, points 50
14
Strength to Weight: Axial, points 32
16
Strength to Weight: Bending, points 37
13
Thermal Diffusivity, mm2/s 74
11
Thermal Shock Resistance, points 14
52

Alloy Composition

Aluminum (Al), % 96.3 to 98.6
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 0.6 to 1.0
0
Manganese (Mn), % 0.1 to 0.45
0
Silicon (Si), % 0.7 to 1.1
0
Titanium (Ti), % 0 to 0.15
0
Tungsten (W), % 0
92.5
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
7.5