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357.0 Aluminum vs. Type 1 Niobium

357.0 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 357.0 aluminum and the bottom bar is Type 1 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95
79
Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 3.4
29
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 26
38
Tensile Strength: Ultimate (UTS), MPa 350
140
Tensile Strength: Yield (Proof), MPa 300
82

Thermal Properties

Latent Heat of Fusion, J/g 500
320
Specific Heat Capacity, J/kg-K 910
270
Thermal Conductivity, W/m-K 150
52
Thermal Expansion, µm/m-K 21
7.3

Otherwise Unclassified Properties

Density, g/cm3 2.6
8.6
Embodied Water, L/kg 1110
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
35
Resilience: Unit (Modulus of Resilience), kJ/m3 620
32
Stiffness to Weight: Axial, points 15
6.8
Stiffness to Weight: Bending, points 53
18
Strength to Weight: Axial, points 38
4.6
Strength to Weight: Bending, points 43
7.1
Thermal Diffusivity, mm2/s 64
23
Thermal Shock Resistance, points 17
13

Alloy Composition

Aluminum (Al), % 91.3 to 93.1
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 0.15
0 to 0.0050
Magnesium (Mg), % 0.45 to 0.6
0
Manganese (Mn), % 0 to 0.030
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), % 6.5 to 7.5
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.1
Titanium (Ti), % 0 to 0.2
0 to 0.020
Tungsten (W), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.050
0
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.15
0