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EN-MC32110 Magnesium vs. A357.0 Aluminum

EN-MC32110 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-MC32110 magnesium and the bottom bar is A357.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
100
Elastic (Young's, Tensile) Modulus, GPa 49
70
Elongation at Break, % 2.2
3.7
Fatigue Strength, MPa 80
100
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
26
Shear Strength, MPa 120
240
Tensile Strength: Ultimate (UTS), MPa 220
350
Tensile Strength: Yield (Proof), MPa 140
270

Thermal Properties

Latent Heat of Fusion, J/g 330
500
Maximum Temperature: Mechanical, °C 99
170
Melting Completion (Liquidus), °C 600
610
Melting Onset (Solidus), °C 500
560
Specific Heat Capacity, J/kg-K 950
900
Thermal Conductivity, W/m-K 120
160
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
40
Electrical Conductivity: Equal Weight (Specific), % IACS 140
140

Otherwise Unclassified Properties

Base Metal Price, % relative 13
12
Density, g/cm3 2.1
2.6
Embodied Carbon, kg CO2/kg material 22
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 920
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
12
Resilience: Unit (Modulus of Resilience), kJ/m3 210
520
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 58
53
Strength to Weight: Axial, points 29
38
Strength to Weight: Bending, points 38
43
Thermal Diffusivity, mm2/s 58
68
Thermal Shock Resistance, points 12
17

Alloy Composition

Aluminum (Al), % 0 to 0.2
90.8 to 93
Beryllium (Be), % 0
0.040 to 0.070
Copper (Cu), % 2.4 to 3.0
0 to 0.2
Iron (Fe), % 0 to 0.050
0 to 0.2
Magnesium (Mg), % 89.3 to 91.9
0.4 to 0.7
Manganese (Mn), % 0.25 to 0.75
0 to 0.1
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.2
6.5 to 7.5
Titanium (Ti), % 0
0.040 to 0.2
Zinc (Zn), % 5.5 to 6.5
0 to 0.1
Residuals, % 0
0 to 0.15