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5252 Aluminum vs. Type 1 Niobium

5252 aluminum belongs to the aluminum alloys classification, while Type 1 niobium belongs to the otherwise unclassified metals. There are 21 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 5252 aluminum and the bottom bar is Type 1 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 68 to 75
79
Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 4.5 to 11
29
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 25
38
Tensile Strength: Ultimate (UTS), MPa 230 to 290
140
Tensile Strength: Yield (Proof), MPa 170 to 240
82

Thermal Properties

Latent Heat of Fusion, J/g 400
320
Specific Heat Capacity, J/kg-K 910
270
Thermal Conductivity, W/m-K 140
52
Thermal Expansion, µm/m-K 24
7.3

Otherwise Unclassified Properties

Density, g/cm3 2.7
8.6
Embodied Water, L/kg 1190
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 23
35
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 430
32
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 51
18
Strength to Weight: Axial, points 23 to 30
4.6
Strength to Weight: Bending, points 31 to 36
7.1
Thermal Diffusivity, mm2/s 57
23
Thermal Shock Resistance, points 10 to 13
13

Alloy Composition

Aluminum (Al), % 96.6 to 97.8
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 0 to 0.1
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.1
0 to 0.0050
Magnesium (Mg), % 2.2 to 2.8
0
Manganese (Mn), % 0 to 0.1
0
Molybdenum (Mo), % 0
0 to 0.010
Nickel (Ni), % 0
0 to 0.0050
Niobium (Nb), % 0
99.7 to 100
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Silicon (Si), % 0 to 0.080
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 0
0 to 0.030
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
0
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.1
0