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Grade 363 Molybdenum vs. 1070A Aluminum

Grade 363 molybdenum belongs to the otherwise unclassified metals classification, while 1070A aluminum belongs to the aluminum alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 grade 363 molybdenum and the bottom bar is 1070A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
68
Elongation at Break, % 6.2 to 11
2.3 to 33
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 120
26
Tensile Strength: Ultimate (UTS), MPa 580 to 720
68 to 140
Tensile Strength: Yield (Proof), MPa 350 to 620
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 370
400
Specific Heat Capacity, J/kg-K 250
900
Thermal Expansion, µm/m-K 7.0
23

Otherwise Unclassified Properties

Density, g/cm3 10
2.7
Embodied Carbon, kg CO2/kg material 28
8.2
Embodied Energy, MJ/kg 330
150
Embodied Water, L/kg 360
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 57
3.0 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 630
2.1 to 100
Stiffness to Weight: Axial, points 17
14
Stiffness to Weight: Bending, points 22
50
Strength to Weight: Axial, points 16 to 20
7.0 to 14
Strength to Weight: Bending, points 15 to 17
14 to 22
Thermal Shock Resistance, points 19 to 24
3.1 to 6.3

Alloy Composition

Aluminum (Al), % 0
99.7 to 100
Carbon (C), % 0.010 to 0.030
0
Copper (Cu), % 0
0 to 0.030
Iron (Fe), % 0 to 0.010
0 to 0.25
Magnesium (Mg), % 0
0 to 0.030
Manganese (Mn), % 0
0 to 0.030
Molybdenum (Mo), % 99.3 to 99.5
0
Nickel (Ni), % 0 to 0.0020
0
Nitrogen (N), % 0 to 0.0020
0
Oxygen (O), % 0 to 0.0030
0
Silicon (Si), % 0 to 0.010
0 to 0.2
Titanium (Ti), % 0.4 to 0.55
0 to 0.030
Zinc (Zn), % 0
0 to 0.070
Zirconium (Zr), % 0.060 to 0.12
0