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EN-MC65120 Magnesium vs. 6012 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 6012 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 6012 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
69
Elongation at Break, % 3.1
9.1 to 11
Fatigue Strength, MPa 80
55 to 100
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 92
130 to 190
Tensile Strength: Ultimate (UTS), MPa 160
220 to 320
Tensile Strength: Yield (Proof), MPa 110
110 to 260

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
640
Melting Onset (Solidus), °C 520
570
Specific Heat Capacity, J/kg-K 970
890
Thermal Conductivity, W/m-K 100
160
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
45
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.9
Embodied Carbon, kg CO2/kg material 25
8.2
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
21 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 140
94 to 480
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 62
48
Strength to Weight: Axial, points 23
22 to 32
Strength to Weight: Bending, points 34
29 to 37
Thermal Diffusivity, mm2/s 56
62
Thermal Shock Resistance, points 9.8
10 to 14

Alloy Composition


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Aluminum (Al), % 0
92.2 to 98
Bismuth (Bi), % 0
0 to 0.7
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.030
0 to 0.1
Iron (Fe), % 0 to 0.010
0 to 0.5
Lead (Pb), % 0
0.4 to 2.0
Magnesium (Mg), % 91.8 to 95.1
0.6 to 1.2
Manganese (Mn), % 0 to 0.15
0.4 to 1.0
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0.6 to 1.4
Titanium (Ti), % 0
0 to 0.2
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 0.3
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15