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EN-MC21210 Magnesium vs. 707.0 Aluminum

EN-MC21210 magnesium belongs to the magnesium alloys classification, while 707.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN-MC21210 magnesium and the bottom bar is 707.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
70
Elongation at Break, % 14
1.7 to 3.4
Fatigue Strength, MPa 70
75 to 140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Tensile Strength: Ultimate (UTS), MPa 190
270 to 300
Tensile Strength: Yield (Proof), MPa 90
170 to 250

Thermal Properties

Latent Heat of Fusion, J/g 350
380
Maximum Temperature: Mechanical, °C 100
180
Melting Completion (Liquidus), °C 600
630
Melting Onset (Solidus), °C 570
600
Specific Heat Capacity, J/kg-K 1000
880
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 27
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
37
Electrical Conductivity: Equal Weight (Specific), % IACS 130
110

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.6
2.9
Embodied Carbon, kg CO2/kg material 24
8.3
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 980
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
4.3 to 8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 92
210 to 430
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
47
Strength to Weight: Axial, points 32
26 to 29
Strength to Weight: Bending, points 44
32 to 34
Thermal Diffusivity, mm2/s 76
58
Thermal Shock Resistance, points 11
12 to 13

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
90.5 to 93.6
Chromium (Cr), % 0
0.2 to 0.4
Copper (Cu), % 0 to 0.010
0 to 0.2
Iron (Fe), % 0 to 0.0050
0 to 0.8
Magnesium (Mg), % 96.3 to 98.3
1.8 to 2.4
Manganese (Mn), % 0.1 to 0.7
0.4 to 0.6
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0 to 0.2
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.2
4.0 to 4.5
Residuals, % 0 to 0.010
0 to 0.15