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EN-MC65120 Magnesium vs. EN AC-51500 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while EN AC-51500 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN-MC65120 magnesium and the bottom bar is EN AC-51500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
80
Elastic (Young's, Tensile) Modulus, GPa 45
68
Elongation at Break, % 3.1
5.6
Fatigue Strength, MPa 80
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Tensile Strength: Ultimate (UTS), MPa 160
280
Tensile Strength: Yield (Proof), MPa 110
160

Thermal Properties

Latent Heat of Fusion, J/g 330
430
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
630
Melting Onset (Solidus), °C 520
590
Specific Heat Capacity, J/kg-K 970
910
Thermal Conductivity, W/m-K 100
120
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
26
Electrical Conductivity: Equal Weight (Specific), % IACS 120
88

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.6
Embodied Carbon, kg CO2/kg material 25
9.0
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
13
Resilience: Unit (Modulus of Resilience), kJ/m3 140
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
52
Strength to Weight: Axial, points 23
29
Strength to Weight: Bending, points 34
36
Thermal Diffusivity, mm2/s 56
49
Thermal Shock Resistance, points 9.8
13

Alloy Composition


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Aluminum (Al), % 0
89.8 to 93.1
Copper (Cu), % 0 to 0.030
0 to 0.050
Iron (Fe), % 0 to 0.010
0 to 0.25
Magnesium (Mg), % 91.8 to 95.1
4.7 to 6.0
Manganese (Mn), % 0 to 0.15
0.4 to 0.8
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
1.8 to 2.6
Titanium (Ti), % 0
0 to 0.25
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 0.070
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15