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EN-MC65120 Magnesium vs. 296.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 296.0 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 296.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
75 to 90
Elastic (Young's, Tensile) Modulus, GPa 45
72
Elongation at Break, % 3.1
3.2 to 7.1
Fatigue Strength, MPa 80
47 to 70
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 160
260 to 270
Tensile Strength: Yield (Proof), MPa 110
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 330
420
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
630
Melting Onset (Solidus), °C 520
540
Specific Heat Capacity, J/kg-K 970
870
Thermal Conductivity, W/m-K 100
130 to 150
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
33 to 37
Electrical Conductivity: Equal Weight (Specific), % IACS 120
99 to 110

Otherwise Unclassified Properties

Base Metal Price, % relative 25
11
Density, g/cm3 1.9
3.0
Embodied Carbon, kg CO2/kg material 25
7.8
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
7.6 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 140
110 to 220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 62
46
Strength to Weight: Axial, points 23
24 to 25
Strength to Weight: Bending, points 34
30 to 31
Thermal Diffusivity, mm2/s 56
51 to 56
Thermal Shock Resistance, points 9.8
12

Alloy Composition

Aluminum (Al), % 0
89 to 94
Copper (Cu), % 0 to 0.030
4.0 to 5.0
Iron (Fe), % 0 to 0.010
0 to 1.2
Magnesium (Mg), % 91.8 to 95.1
0 to 0.050
Manganese (Mn), % 0 to 0.15
0 to 0.35
Nickel (Ni), % 0 to 0.0050
0 to 0.35
Silicon (Si), % 0 to 0.010
2.0 to 3.0
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 0.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.35