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EN-MC21230 Magnesium vs. 6008 Aluminum

EN-MC21230 magnesium belongs to the magnesium alloys classification, while 6008 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-MC21230 magnesium and the bottom bar is 6008 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
69
Elongation at Break, % 10
9.1 to 17
Fatigue Strength, MPa 99
55 to 88
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 130
120 to 170
Tensile Strength: Ultimate (UTS), MPa 220
200 to 290
Tensile Strength: Yield (Proof), MPa 140
100 to 220

Thermal Properties

Latent Heat of Fusion, J/g 350
410
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 520
620
Specific Heat Capacity, J/kg-K 1000
900
Thermal Conductivity, W/m-K 72
190
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
49
Electrical Conductivity: Equal Weight (Specific), % IACS 63
160

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.7
Embodied Carbon, kg CO2/kg material 23
8.5
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 990
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
24 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 200
76 to 360
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
50
Strength to Weight: Axial, points 36
21 to 29
Strength to Weight: Bending, points 48
28 to 35
Thermal Diffusivity, mm2/s 43
77
Thermal Shock Resistance, points 13
9.0 to 13

Alloy Composition

Aluminum (Al), % 5.5 to 8.5
96.5 to 99.1
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.010
0 to 0.3
Iron (Fe), % 0 to 0.0050
0 to 0.35
Magnesium (Mg), % 90.5 to 94.4
0.4 to 0.7
Manganese (Mn), % 0.1 to 0.6
0 to 0.3
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0.5 to 0.9
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0
0.050 to 0.2
Zinc (Zn), % 0 to 0.3
0 to 0.2
Residuals, % 0
0 to 0.15