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3105 Aluminum vs. Class 3 Tungsten

3105 aluminum belongs to the aluminum 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 (9, 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 3105 aluminum and the bottom bar is class 3 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
270
Elongation at Break, % 1.1 to 20
3.4
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
100
Tensile Strength: Ultimate (UTS), MPa 120 to 240
830
Tensile Strength: Yield (Proof), MPa 46 to 220
580

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Specific Heat Capacity, J/kg-K 900
120
Thermal Conductivity, W/m-K 170
30
Thermal Expansion, µm/m-K 24
4.5

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
15
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.5

Otherwise Unclassified Properties

Density, g/cm3 2.8
15
Embodied Carbon, kg CO2/kg material 8.2
23
Embodied Energy, MJ/kg 150
360
Embodied Water, L/kg 1180
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
25
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
630
Stiffness to Weight: Axial, points 14
9.6
Stiffness to Weight: Bending, points 50
14
Strength to Weight: Axial, points 12 to 24
15
Strength to Weight: Bending, points 20 to 31
13
Thermal Diffusivity, mm2/s 68
15
Thermal Shock Resistance, points 5.2 to 11
49

Alloy Composition

Aluminum (Al), % 96 to 99.5
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.3 to 0.8
0
Silicon (Si), % 0 to 0.6
0
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
95
Zinc (Zn), % 0 to 0.4
0
Residuals, % 0
5.0