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EN AC-46200 Aluminum vs. R05200 Tantalum

EN AC-46200 aluminum belongs to the aluminum alloys classification, while R05200 tantalum belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (10, 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-46200 aluminum and the bottom bar is R05200 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 1.1
1.1 to 28
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
69
Tensile Strength: Ultimate (UTS), MPa 210
210 to 540
Tensile Strength: Yield (Proof), MPa 130
140 to 390

Thermal Properties

Latent Heat of Fusion, J/g 510
140
Specific Heat Capacity, J/kg-K 880
140
Thermal Conductivity, W/m-K 110
59
Thermal Expansion, µm/m-K 22
6.5

Otherwise Unclassified Properties

Density, g/cm3 2.8
17
Embodied Water, L/kg 1060
650

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.0
5.5 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 110
50 to 420
Stiffness to Weight: Axial, points 14
6.2
Stiffness to Weight: Bending, points 50
11
Strength to Weight: Axial, points 21
3.6 to 9.0
Strength to Weight: Bending, points 28
4.8 to 8.8
Thermal Diffusivity, mm2/s 44
25
Thermal Shock Resistance, points 9.5
13 to 32

Alloy Composition

Aluminum (Al), % 82.6 to 90.3
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 2.0 to 3.5
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.8
0 to 0.010
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0.050 to 0.55
0
Manganese (Mn), % 0.15 to 0.65
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0 to 0.35
0 to 0.010
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Silicon (Si), % 7.5 to 9.5
0 to 0.0050
Tantalum (Ta), % 0
99.8 to 100
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0 to 1.2
0
Residuals, % 0 to 0.25
0