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2007 Aluminum vs. EN-MC21210 Magnesium

2007 aluminum belongs to the aluminum alloys classification, while EN-MC21210 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 2007 aluminum and the bottom bar is EN-MC21210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
44
Elongation at Break, % 5.6 to 8.0
14
Fatigue Strength, MPa 91 to 110
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Shear Strength, MPa 220 to 250
110
Tensile Strength: Ultimate (UTS), MPa 370 to 420
190
Tensile Strength: Yield (Proof), MPa 240 to 270
90

Thermal Properties

Latent Heat of Fusion, J/g 390
350
Maximum Temperature: Mechanical, °C 190
100
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 510
570
Specific Heat Capacity, J/kg-K 870
1000
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
24
Electrical Conductivity: Equal Weight (Specific), % IACS 140
130

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 3.1
1.6
Embodied Carbon, kg CO2/kg material 8.0
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1130
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
22
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
92
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 44
72
Strength to Weight: Axial, points 33 to 38
32
Strength to Weight: Bending, points 37 to 40
44
Thermal Diffusivity, mm2/s 48
76
Thermal Shock Resistance, points 16 to 19
11

Alloy Composition

Aluminum (Al), % 87.5 to 95
1.6 to 2.6
Bismuth (Bi), % 0 to 0.2
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.3 to 4.6
0 to 0.010
Iron (Fe), % 0 to 0.8
0 to 0.0050
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.4 to 1.8
96.3 to 98.3
Manganese (Mn), % 0.5 to 1.0
0.1 to 0.7
Nickel (Ni), % 0 to 0.2
0 to 0.0020
Silicon (Si), % 0 to 0.8
0 to 0.1
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.8
0 to 0.2
Residuals, % 0
0 to 0.010