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EN-MC65120 Magnesium vs. EN AC-46300 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while EN AC-46300 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-46300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
91
Elastic (Young's, Tensile) Modulus, GPa 45
73
Elongation at Break, % 3.1
1.1
Fatigue Strength, MPa 80
79
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 160
200
Tensile Strength: Yield (Proof), MPa 110
110

Thermal Properties

Latent Heat of Fusion, J/g 330
490
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
630
Melting Onset (Solidus), °C 520
530
Specific Heat Capacity, J/kg-K 970
880
Thermal Conductivity, W/m-K 100
120
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
27
Electrical Conductivity: Equal Weight (Specific), % IACS 120
84

Otherwise Unclassified Properties

Base Metal Price, % relative 25
10
Density, g/cm3 1.9
2.9
Embodied Carbon, kg CO2/kg material 25
7.7
Embodied Energy, MJ/kg 190
140
Embodied Water, L/kg 930
1060

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
1.9
Resilience: Unit (Modulus of Resilience), kJ/m3 140
89
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
49
Strength to Weight: Axial, points 23
20
Strength to Weight: Bending, points 34
27
Thermal Diffusivity, mm2/s 56
47
Thermal Shock Resistance, points 9.8
9.1

Alloy Composition


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Aluminum (Al), % 0
84 to 90
Copper (Cu), % 0 to 0.030
3.0 to 4.0
Iron (Fe), % 0 to 0.010
0 to 0.8
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 91.8 to 95.1
0.3 to 0.6
Manganese (Mn), % 0 to 0.15
0.2 to 0.65
Nickel (Ni), % 0 to 0.0050
0 to 0.3
Silicon (Si), % 0 to 0.010
6.5 to 8.0
Tin (Sn), % 0
0 to 0.1
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 0.65
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.55