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EN-MC65120 Magnesium vs. A357.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while A357.0 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is EN-MC65120 magnesium and the bottom bar is A357.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
100
Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 3.1
3.7
Fatigue Strength, MPa 80
100
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 92
240
Tensile Strength: Ultimate (UTS), MPa 160
350
Tensile Strength: Yield (Proof), MPa 110
270

Thermal Properties

Latent Heat of Fusion, J/g 330
500
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
610
Melting Onset (Solidus), °C 520
560
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 100
160
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
40
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 25
12
Density, g/cm3 1.9
2.6
Embodied Carbon, kg CO2/kg material 25
8.2
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
12
Resilience: Unit (Modulus of Resilience), kJ/m3 140
520
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 62
53
Strength to Weight: Axial, points 23
38
Strength to Weight: Bending, points 34
43
Thermal Diffusivity, mm2/s 56
68
Thermal Shock Resistance, points 9.8
17

Alloy Composition

Aluminum (Al), % 0
90.8 to 93
Beryllium (Be), % 0
0.040 to 0.070
Copper (Cu), % 0 to 0.030
0 to 0.2
Iron (Fe), % 0 to 0.010
0 to 0.2
Magnesium (Mg), % 91.8 to 95.1
0.4 to 0.7
Manganese (Mn), % 0 to 0.15
0 to 0.1
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
6.5 to 7.5
Titanium (Ti), % 0
0.040 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 0.15