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6023 Aluminum vs. EN-MC65120 Magnesium

6023 aluminum belongs to the aluminum alloys classification, while EN-MC65120 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 6023 aluminum and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
45
Elongation at Break, % 11
3.1
Fatigue Strength, MPa 120 to 130
80
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 210 to 220
92
Tensile Strength: Ultimate (UTS), MPa 360
160
Tensile Strength: Yield (Proof), MPa 300 to 310
110

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 580
520
Specific Heat Capacity, J/kg-K 890
970
Thermal Conductivity, W/m-K 170
100
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
25
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
25
Density, g/cm3 2.8
1.9
Embodied Carbon, kg CO2/kg material 8.3
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1180
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
62
Strength to Weight: Axial, points 35 to 36
23
Strength to Weight: Bending, points 40
34
Thermal Diffusivity, mm2/s 67
56
Thermal Shock Resistance, points 16
9.8

Alloy Composition

Aluminum (Al), % 94 to 97.7
0
Bismuth (Bi), % 0.3 to 0.8
0
Copper (Cu), % 0.2 to 0.5
0 to 0.030
Iron (Fe), % 0 to 0.5
0 to 0.010
Magnesium (Mg), % 0.4 to 0.9
91.8 to 95.1
Manganese (Mn), % 0.2 to 0.6
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0.6 to 1.4
0 to 0.010
Tin (Sn), % 0.6 to 1.2
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010