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EN-MC65120 Magnesium vs. EN AC-45300 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while EN AC-45300 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-45300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
94 to 120
Elastic (Young's, Tensile) Modulus, GPa 45
71
Elongation at Break, % 3.1
1.0 to 2.8
Fatigue Strength, MPa 80
59 to 72
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 160
220 to 290
Tensile Strength: Yield (Proof), MPa 110
150 to 230

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
590
Specific Heat Capacity, J/kg-K 970
890
Thermal Conductivity, W/m-K 100
150
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
36
Electrical Conductivity: Equal Weight (Specific), % IACS 120
120

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 25
8.0
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
2.7 to 5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 140
160 to 390
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
50
Strength to Weight: Axial, points 23
23 to 29
Strength to Weight: Bending, points 34
30 to 35
Thermal Diffusivity, mm2/s 56
60
Thermal Shock Resistance, points 9.8
10 to 13

Alloy Composition


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Aluminum (Al), % 0
90.2 to 94.2
Copper (Cu), % 0 to 0.030
1.0 to 1.5
Iron (Fe), % 0 to 0.010
0 to 0.65
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 91.8 to 95.1
0.35 to 0.65
Manganese (Mn), % 0 to 0.15
0 to 0.55
Nickel (Ni), % 0 to 0.0050
0 to 0.25
Silicon (Si), % 0 to 0.010
4.5 to 5.5
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 0.15
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15