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Class 3 Tungsten vs. 4015 Aluminum

Class 3 tungsten belongs to the otherwise unclassified metals classification, while 4015 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 4015 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 270
70
Elongation at Break, % 3.4
1.1 to 23
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 100
26
Tensile Strength: Ultimate (UTS), MPa 830
130 to 220
Tensile Strength: Yield (Proof), MPa 580
50 to 200

Thermal Properties

Latent Heat of Fusion, J/g 170
420
Specific Heat Capacity, J/kg-K 120
900
Thermal Conductivity, W/m-K 30
160
Thermal Expansion, µm/m-K 4.5
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
41
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
130

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
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
2.4 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 630
18 to 290
Stiffness to Weight: Axial, points 9.6
14
Stiffness to Weight: Bending, points 14
50
Strength to Weight: Axial, points 15
13 to 22
Strength to Weight: Bending, points 13
21 to 30
Thermal Diffusivity, mm2/s 15
66
Thermal Shock Resistance, points 49
5.7 to 9.7

Alloy Composition

Aluminum (Al), % 0
94.9 to 97.9
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 0
0 to 0.7
Magnesium (Mg), % 0
0.1 to 0.5
Manganese (Mn), % 0
0.6 to 1.2
Silicon (Si), % 0
1.4 to 2.2
Tungsten (W), % 95
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15