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EN-MC65120 Magnesium vs. 712.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 712.0 aluminum belongs to the aluminum alloys. There are 31 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 712.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
75 to 90
Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 3.1
4.5 to 4.7
Fatigue Strength, MPa 80
140 to 180
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
27
Shear Strength, MPa 92
180
Tensile Strength: Ultimate (UTS), MPa 160
250 to 260
Tensile Strength: Yield (Proof), MPa 110
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 330
380
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 590
640
Melting Onset (Solidus), °C 520
610
Specific Heat Capacity, J/kg-K 970
870
Thermal Conductivity, W/m-K 100
160
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
40
Electrical Conductivity: Equal Weight (Specific), % IACS 120
120

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
3.0
Embodied Carbon, kg CO2/kg material 25
8.0
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
11
Resilience: Unit (Modulus of Resilience), kJ/m3 140
240 to 270
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
62
Thermal Shock Resistance, points 9.8
11

Alloy Composition

Aluminum (Al), % 0
90.7 to 94
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 0 to 0.030
0 to 0.25
Iron (Fe), % 0 to 0.010
0 to 0.5
Magnesium (Mg), % 91.8 to 95.1
0.5 to 0.65
Manganese (Mn), % 0 to 0.15
0 to 0.1
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0 to 0.3
Titanium (Ti), % 0
0.15 to 0.25
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
5.0 to 6.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.2