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EN-MC65120 Magnesium vs. 6082 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 6082 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is EN-MC65120 magnesium and the bottom bar is 6082 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
40 to 95
Elastic (Young's, Tensile) Modulus, GPa 45
69
Elongation at Break, % 3.1
6.3 to 18
Fatigue Strength, MPa 80
55 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 92
84 to 220
Tensile Strength: Ultimate (UTS), MPa 160
140 to 340
Tensile Strength: Yield (Proof), MPa 110
85 to 320

Thermal Properties

Latent Heat of Fusion, J/g 330
410
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
650
Melting Onset (Solidus), °C 520
580
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 100
160
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
42
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 25
8.3
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
19 to 43
Resilience: Unit (Modulus of Resilience), kJ/m3 140
52 to 710
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
50
Strength to Weight: Axial, points 23
14 to 35
Strength to Weight: Bending, points 34
21 to 40
Thermal Diffusivity, mm2/s 56
67
Thermal Shock Resistance, points 9.8
6.0 to 15

Alloy Composition

Aluminum (Al), % 0
95.2 to 98.3
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 0 to 0.030
0 to 0.1
Iron (Fe), % 0 to 0.010
0 to 0.5
Magnesium (Mg), % 91.8 to 95.1
0.6 to 1.2
Manganese (Mn), % 0 to 0.15
0.4 to 1.0
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0.7 to 1.3
Titanium (Ti), % 0
0 to 0.1
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 0.2
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.15