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EN AC-45400 Aluminum vs. EN-MC65120 Magnesium

EN AC-45400 aluminum belongs to the aluminum alloys classification, while EN-MC65120 magnesium belongs to the magnesium 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 AC-45400 aluminum and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 86
55
Elastic (Young's, Tensile) Modulus, GPa 72
45
Elongation at Break, % 6.7
3.1
Fatigue Strength, MPa 55
80
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 260
160
Tensile Strength: Yield (Proof), MPa 130
110

Thermal Properties

Latent Heat of Fusion, J/g 470
330
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 630
590
Melting Onset (Solidus), °C 560
520
Specific Heat Capacity, J/kg-K 880
970
Thermal Conductivity, W/m-K 140
100
Thermal Expansion, µm/m-K 22
26

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 10
25
Density, g/cm3 2.8
1.9
Embodied Carbon, kg CO2/kg material 7.8
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1100
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 110
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
62
Strength to Weight: Axial, points 25
23
Strength to Weight: Bending, points 32
34
Thermal Diffusivity, mm2/s 54
56
Thermal Shock Resistance, points 12
9.8

Alloy Composition

Aluminum (Al), % 88.4 to 92.9
0
Copper (Cu), % 2.6 to 3.6
0 to 0.030
Iron (Fe), % 0 to 0.6
0 to 0.010
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0 to 0.050
91.8 to 95.1
Manganese (Mn), % 0 to 0.55
0 to 0.15
Nickel (Ni), % 0 to 0.1
0 to 0.0050
Silicon (Si), % 4.5 to 6.0
0 to 0.010
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.2
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010