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5056 Aluminum vs. Grade 361 Molybdenum

5056 aluminum belongs to the aluminum alloys classification, while grade 361 molybdenum belongs to the otherwise unclassified metals. 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 5056 aluminum and the bottom bar is grade 361 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
310
Elongation at Break, % 4.9 to 31
6.3
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 25
120
Tensile Strength: Ultimate (UTS), MPa 290 to 460
620
Tensile Strength: Yield (Proof), MPa 150 to 410
530

Thermal Properties

Latent Heat of Fusion, J/g 400
370
Specific Heat Capacity, J/kg-K 910
250
Thermal Expansion, µm/m-K 24
7.0

Otherwise Unclassified Properties

Density, g/cm3 2.7
10
Embodied Carbon, kg CO2/kg material 9.0
28
Embodied Energy, MJ/kg 150
330
Embodied Water, L/kg 1180
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 140
37
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 1220
450
Stiffness to Weight: Axial, points 14
17
Stiffness to Weight: Bending, points 51
22
Strength to Weight: Axial, points 30 to 48
17
Strength to Weight: Bending, points 36 to 50
16
Thermal Shock Resistance, points 13 to 20
21

Alloy Composition

Aluminum (Al), % 93 to 95.4
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0.050 to 0.2
0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.4
0 to 0.010
Magnesium (Mg), % 4.5 to 5.6
0
Manganese (Mn), % 0.050 to 0.2
0
Molybdenum (Mo), % 0
99.9 to 100
Nickel (Ni), % 0
0 to 0.0050
Nitrogen (N), % 0
0 to 0.0020
Oxygen (O), % 0
0 to 0.0070
Silicon (Si), % 0 to 0.3
0 to 0.010
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0