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5083 Aluminum vs. EN-MC65120 Magnesium

5083 aluminum belongs to the aluminum alloys classification, while EN-MC65120 magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 5083 aluminum and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75 to 110
55
Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 1.1 to 17
3.1
Fatigue Strength, MPa 93 to 190
80
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 170 to 220
92
Tensile Strength: Ultimate (UTS), MPa 290 to 390
160
Tensile Strength: Yield (Proof), MPa 110 to 340
110

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 580
520
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 120
100
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
25
Electrical Conductivity: Equal Weight (Specific), % IACS 96
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.9
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1170
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.2 to 42
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 95 to 860
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
62
Strength to Weight: Axial, points 29 to 40
23
Strength to Weight: Bending, points 36 to 44
34
Thermal Diffusivity, mm2/s 48
56
Thermal Shock Resistance, points 12 to 17
9.8

Alloy Composition

Aluminum (Al), % 92.4 to 95.6
0
Chromium (Cr), % 0.050 to 0.25
0
Copper (Cu), % 0 to 0.1
0 to 0.030
Iron (Fe), % 0 to 0.4
0 to 0.010
Magnesium (Mg), % 4.0 to 4.9
91.8 to 95.1
Manganese (Mn), % 0.4 to 1.0
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.4
0 to 0.010
Titanium (Ti), % 0 to 0.15
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.25
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010