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Class 4 Tungsten vs. A384.0 Aluminum

Class 4 tungsten belongs to the otherwise unclassified metals classification, while A384.0 aluminum belongs to the aluminum alloys. 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 class 4 tungsten and the bottom bar is A384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 270
74
Elongation at Break, % 2.3
2.5
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 110
28
Tensile Strength: Ultimate (UTS), MPa 790
330
Tensile Strength: Yield (Proof), MPa 580
170

Thermal Properties

Latent Heat of Fusion, J/g 170
550
Specific Heat Capacity, J/kg-K 130
880
Thermal Conductivity, W/m-K 30
96
Thermal Expansion, µm/m-K 4.5
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
23
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
73

Otherwise Unclassified Properties

Density, g/cm3 16
2.8
Embodied Carbon, kg CO2/kg material 24
7.5
Embodied Energy, MJ/kg 360
140
Embodied Water, L/kg 150
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 620
180
Stiffness to Weight: Axial, points 9.6
15
Stiffness to Weight: Bending, points 14
50
Strength to Weight: Axial, points 14
32
Strength to Weight: Bending, points 12
38
Thermal Diffusivity, mm2/s 15
39
Thermal Shock Resistance, points 46
15

Alloy Composition

Aluminum (Al), % 0
79.3 to 86.5
Copper (Cu), % 0
3.0 to 4.5
Iron (Fe), % 0
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Silicon (Si), % 0
10.5 to 12
Tin (Sn), % 0
0 to 0.35
Tungsten (W), % 97
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5