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6061 Aluminum vs. Class 1 Tungsten

6061 aluminum belongs to the aluminum alloys classification, while class 1 tungsten belongs to the otherwise unclassified metals. 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 6061 aluminum and the bottom bar is class 1 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
250
Elongation at Break, % 3.4 to 20
5.7
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
98
Tensile Strength: Ultimate (UTS), MPa 130 to 410
860
Tensile Strength: Yield (Proof), MPa 76 to 370
580

Thermal Properties

Latent Heat of Fusion, J/g 400
160
Specific Heat Capacity, J/kg-K 900
120
Thermal Conductivity, W/m-K 170
21
Thermal Expansion, µm/m-K 24
5.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
12
Electrical Conductivity: Equal Weight (Specific), % IACS 140
7.4

Otherwise Unclassified Properties

Density, g/cm3 2.7
15
Embodied Carbon, kg CO2/kg material 8.3
22
Embodied Energy, MJ/kg 150
340
Embodied Water, L/kg 1180
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.8 to 81
44
Resilience: Unit (Modulus of Resilience), kJ/m3 42 to 1000
660
Stiffness to Weight: Axial, points 14
9.6
Stiffness to Weight: Bending, points 50
14
Strength to Weight: Axial, points 13 to 42
16
Strength to Weight: Bending, points 21 to 45
14
Thermal Diffusivity, mm2/s 68
12
Thermal Shock Resistance, points 5.7 to 18
48

Alloy Composition

Aluminum (Al), % 95.9 to 98.6
0
Chromium (Cr), % 0.040 to 0.35
0
Copper (Cu), % 0.15 to 0.4
0
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0
Silicon (Si), % 0.4 to 0.8
0
Titanium (Ti), % 0 to 0.15
0
Tungsten (W), % 0
90
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
10