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EN-MC65120 Magnesium vs. A390.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while A390.0 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 A390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 45
75
Elongation at Break, % 3.1
0.87 to 0.91
Fatigue Strength, MPa 80
70 to 100
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
28
Tensile Strength: Ultimate (UTS), MPa 160
190 to 290
Tensile Strength: Yield (Proof), MPa 110
190 to 290

Thermal Properties

Latent Heat of Fusion, J/g 330
640
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
580
Melting Onset (Solidus), °C 520
480
Specific Heat Capacity, J/kg-K 970
880
Thermal Conductivity, W/m-K 100
130
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
20
Electrical Conductivity: Equal Weight (Specific), % IACS 120
67

Otherwise Unclassified Properties

Base Metal Price, % relative 25
11
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 25
7.3
Embodied Energy, MJ/kg 190
140
Embodied Water, L/kg 930
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
1.6 to 2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 140
240 to 580
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 62
52
Strength to Weight: Axial, points 23
19 to 30
Strength to Weight: Bending, points 34
27 to 36
Thermal Diffusivity, mm2/s 56
56
Thermal Shock Resistance, points 9.8
9.0 to 14

Alloy Composition

Aluminum (Al), % 0
75.3 to 79.6
Copper (Cu), % 0 to 0.030
4.0 to 5.0
Iron (Fe), % 0 to 0.010
0 to 0.5
Magnesium (Mg), % 91.8 to 95.1
0.45 to 0.65
Manganese (Mn), % 0 to 0.15
0 to 0.1
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
16 to 18
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 0.1
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.2