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Class 3 Tungsten vs. 6061 Aluminum

Class 3 tungsten belongs to the otherwise unclassified metals classification, while 6061 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 6061 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 270
69
Elongation at Break, % 3.4
3.4 to 20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 100
26
Tensile Strength: Ultimate (UTS), MPa 830
130 to 410
Tensile Strength: Yield (Proof), MPa 580
76 to 370

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
43
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
140

Otherwise Unclassified Properties

Density, g/cm3 15
2.7
Embodied Carbon, kg CO2/kg material 23
8.3
Embodied Energy, MJ/kg 360
150
Embodied Water, L/kg 150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
3.8 to 81
Resilience: Unit (Modulus of Resilience), kJ/m3 630
42 to 1000
Stiffness to Weight: Axial, points 9.6
14
Stiffness to Weight: Bending, points 14
50
Strength to Weight: Axial, points 15
13 to 42
Strength to Weight: Bending, points 13
21 to 45
Thermal Diffusivity, mm2/s 15
68
Thermal Shock Resistance, points 49
5.7 to 18

Alloy Composition

Aluminum (Al), % 0
95.9 to 98.6
Chromium (Cr), % 0
0.040 to 0.35
Copper (Cu), % 0
0.15 to 0.4
Iron (Fe), % 0
0 to 0.7
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0
0 to 0.15
Silicon (Si), % 0
0.4 to 0.8
Titanium (Ti), % 0
0 to 0.15
Tungsten (W), % 95
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15