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EN AC-21100 Aluminum vs. Class 3 Tungsten

EN AC-21100 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 (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 EN AC-21100 aluminum and the bottom bar is class 3 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
270
Elongation at Break, % 6.2 to 7.3
3.4
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
100
Tensile Strength: Ultimate (UTS), MPa 340 to 350
830
Tensile Strength: Yield (Proof), MPa 210 to 240
580

Thermal Properties

Latent Heat of Fusion, J/g 390
170
Specific Heat Capacity, J/kg-K 880
120
Thermal Conductivity, W/m-K 130
30
Thermal Expansion, µm/m-K 23
4.5

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
15
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.5

Otherwise Unclassified Properties

Density, g/cm3 3.0
15
Embodied Carbon, kg CO2/kg material 8.0
23
Embodied Energy, MJ/kg 150
360
Embodied Water, L/kg 1150
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
25
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
630
Stiffness to Weight: Axial, points 13
9.6
Stiffness to Weight: Bending, points 46
14
Strength to Weight: Axial, points 31 to 33
15
Strength to Weight: Bending, points 36 to 37
13
Thermal Diffusivity, mm2/s 48
15
Thermal Shock Resistance, points 15
49

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
0
Copper (Cu), % 4.2 to 5.2
0
Iron (Fe), % 0 to 0.19
0
Manganese (Mn), % 0 to 0.55
0
Silicon (Si), % 0 to 0.18
0
Titanium (Ti), % 0.15 to 0.3
0
Tungsten (W), % 0
95
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
5.0