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EN-MC21310 Magnesium vs. 712.0 Aluminum

EN-MC21310 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-MC21310 magnesium and the bottom bar is 712.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
75 to 90
Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 9.0
4.5 to 4.7
Fatigue Strength, MPa 86
140 to 180
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
27
Shear Strength, MPa 120
180
Tensile Strength: Ultimate (UTS), MPa 200
250 to 260
Tensile Strength: Yield (Proof), MPa 120
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 360
380
Maximum Temperature: Mechanical, °C 100
190
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 560
610
Specific Heat Capacity, J/kg-K 1000
870
Thermal Conductivity, W/m-K 89
160
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
40
Electrical Conductivity: Equal Weight (Specific), % IACS 120
120

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.6
3.0
Embodied Carbon, kg CO2/kg material 23
8.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 970
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16
11
Resilience: Unit (Modulus of Resilience), kJ/m3 160
240 to 270
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 73
46
Strength to Weight: Axial, points 34
24 to 25
Strength to Weight: Bending, points 47
30 to 31
Thermal Diffusivity, mm2/s 55
62
Thermal Shock Resistance, points 12
11

Alloy Composition


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Aluminum (Al), % 1.8 to 2.6
90.7 to 94
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 0 to 0.010
0 to 0.25
Iron (Fe), % 0 to 0.0050
0 to 0.5
Magnesium (Mg), % 95.2 to 97.4
0.5 to 0.65
Manganese (Mn), % 0.1 to 0.7
0 to 0.1
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0.7 to 1.2
0 to 0.3
Titanium (Ti), % 0
0.15 to 0.25
Zinc (Zn), % 0 to 0.2
5.0 to 6.5
Residuals, % 0 to 0.010
0 to 0.2