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EN-MC65120 Magnesium vs. EN AC-45100 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while EN AC-45100 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 EN AC-45100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
97 to 130
Elastic (Young's, Tensile) Modulus, GPa 45
72
Elongation at Break, % 3.1
1.0 to 2.8
Fatigue Strength, MPa 80
82 to 99
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 160
300 to 360
Tensile Strength: Yield (Proof), MPa 110
210 to 320

Thermal Properties

Latent Heat of Fusion, J/g 330
470
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
630
Melting Onset (Solidus), °C 520
550
Specific Heat Capacity, J/kg-K 970
890
Thermal Conductivity, W/m-K 100
140
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
30
Electrical Conductivity: Equal Weight (Specific), % IACS 120
95

Otherwise Unclassified Properties

Base Metal Price, % relative 25
10
Density, g/cm3 1.9
2.8
Embodied Carbon, kg CO2/kg material 25
7.9
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
3.5 to 7.6
Resilience: Unit (Modulus of Resilience), kJ/m3 140
290 to 710
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
49
Strength to Weight: Axial, points 23
30 to 35
Strength to Weight: Bending, points 34
35 to 39
Thermal Diffusivity, mm2/s 56
54
Thermal Shock Resistance, points 9.8
14 to 16

Alloy Composition


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Aluminum (Al), % 0
88 to 92.8
Copper (Cu), % 0 to 0.030
2.6 to 3.6
Iron (Fe), % 0 to 0.010
0 to 0.6
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 91.8 to 95.1
0.15 to 0.45
Manganese (Mn), % 0 to 0.15
0 to 0.55
Nickel (Ni), % 0 to 0.0050
0 to 0.1
Silicon (Si), % 0 to 0.010
4.5 to 6.0
Tin (Sn), % 0
0 to 0.050
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 0.2
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15