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EN-MC65120 Magnesium vs. EN AC-43100 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while EN AC-43100 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-43100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
60 to 94
Elastic (Young's, Tensile) Modulus, GPa 45
71
Elongation at Break, % 3.1
1.1 to 2.5
Fatigue Strength, MPa 80
68 to 76
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 160
180 to 270
Tensile Strength: Yield (Proof), MPa 110
97 to 230

Thermal Properties

Latent Heat of Fusion, J/g 330
540
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
600
Melting Onset (Solidus), °C 520
590
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 100
140
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
37
Electrical Conductivity: Equal Weight (Specific), % IACS 120
130

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.6
Embodied Carbon, kg CO2/kg material 25
7.8
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
2.9 to 5.7
Resilience: Unit (Modulus of Resilience), kJ/m3 140
66 to 360
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 62
54
Strength to Weight: Axial, points 23
20 to 29
Strength to Weight: Bending, points 34
28 to 36
Thermal Diffusivity, mm2/s 56
60
Thermal Shock Resistance, points 9.8
8.6 to 12

Alloy Composition


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Aluminum (Al), % 0
86.9 to 90.8
Copper (Cu), % 0 to 0.030
0 to 0.1
Iron (Fe), % 0 to 0.010
0 to 0.55
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 91.8 to 95.1
0.2 to 0.45
Manganese (Mn), % 0 to 0.15
0 to 0.45
Nickel (Ni), % 0 to 0.0050
0 to 0.050
Silicon (Si), % 0 to 0.010
9.0 to 11
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.15
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 0.1
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15