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1050 Aluminum vs. Type 2 Niobium

1050 aluminum belongs to the aluminum alloys classification, while Type 2 niobium belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (12, 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 1050 aluminum and the bottom bar is Type 2 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 4.6 to 37
29
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 26
38
Tensile Strength: Ultimate (UTS), MPa 76 to 140
140
Tensile Strength: Yield (Proof), MPa 25 to 120
82

Thermal Properties

Latent Heat of Fusion, J/g 400
320
Specific Heat Capacity, J/kg-K 900
270
Thermal Conductivity, W/m-K 230
52
Thermal Expansion, µm/m-K 24
7.3

Otherwise Unclassified Properties

Density, g/cm3 2.7
8.6
Embodied Water, L/kg 1200
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 22
35
Resilience: Unit (Modulus of Resilience), kJ/m3 4.6 to 110
32
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 7.8 to 14
4.6
Strength to Weight: Bending, points 15 to 22
7.1
Thermal Diffusivity, mm2/s 94
23
Thermal Shock Resistance, points 3.4 to 6.2
13

Alloy Composition

Aluminum (Al), % 99.5 to 100
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 0 to 0.050
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.4
0 to 0.010
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0
0 to 0.0050
Niobium (Nb), % 0
99.5 to 100
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.025
Silicon (Si), % 0 to 0.25
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.3
Titanium (Ti), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0 to 0.050
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
0
Zirconium (Zr), % 0
0 to 0.020