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EN-MC65120 Magnesium vs. 512.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 512.0 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 512.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
50
Elastic (Young's, Tensile) Modulus, GPa 45
69
Elongation at Break, % 3.1
2.0
Fatigue Strength, MPa 80
58
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Tensile Strength: Ultimate (UTS), MPa 160
130
Tensile Strength: Yield (Proof), MPa 110
83

Thermal Properties

Latent Heat of Fusion, J/g 330
420
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 590
630
Melting Onset (Solidus), °C 520
590
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 100
150
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
38
Electrical Conductivity: Equal Weight (Specific), % IACS 120
130

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 25
8.8
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 140
50
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
51
Strength to Weight: Axial, points 23
14
Strength to Weight: Bending, points 34
22
Thermal Diffusivity, mm2/s 56
60
Thermal Shock Resistance, points 9.8
6.1

Alloy Composition

Aluminum (Al), % 0
90.6 to 95.1
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 0 to 0.030
0 to 0.35
Iron (Fe), % 0 to 0.010
0 to 0.6
Magnesium (Mg), % 91.8 to 95.1
3.5 to 4.5
Manganese (Mn), % 0 to 0.15
0 to 0.8
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
1.4 to 2.2
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 0.35
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15