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6082 Aluminum vs. EN-MC21210 Magnesium

6082 aluminum belongs to the aluminum alloys classification, while EN-MC21210 magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 6082 aluminum and the bottom bar is EN-MC21210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 40 to 95
48
Elastic (Young's, Tensile) Modulus, GPa 69
44
Elongation at Break, % 6.3 to 18
14
Fatigue Strength, MPa 55 to 130
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 84 to 220
110
Tensile Strength: Ultimate (UTS), MPa 140 to 340
190
Tensile Strength: Yield (Proof), MPa 85 to 320
90

Thermal Properties

Latent Heat of Fusion, J/g 410
350
Maximum Temperature: Mechanical, °C 170
100
Melting Completion (Liquidus), °C 650
600
Melting Onset (Solidus), °C 580
570
Specific Heat Capacity, J/kg-K 900
1000
Thermal Conductivity, W/m-K 160
120
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
24
Electrical Conductivity: Equal Weight (Specific), % IACS 140
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.6
Embodied Carbon, kg CO2/kg material 8.3
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1170
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 43
22
Resilience: Unit (Modulus of Resilience), kJ/m3 52 to 710
92
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
72
Strength to Weight: Axial, points 14 to 35
32
Strength to Weight: Bending, points 21 to 40
44
Thermal Diffusivity, mm2/s 67
76
Thermal Shock Resistance, points 6.0 to 15
11

Alloy Composition

Aluminum (Al), % 95.2 to 98.3
1.6 to 2.6
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 0 to 0.1
0 to 0.010
Iron (Fe), % 0 to 0.5
0 to 0.0050
Magnesium (Mg), % 0.6 to 1.2
96.3 to 98.3
Manganese (Mn), % 0.4 to 1.0
0.1 to 0.7
Nickel (Ni), % 0
0 to 0.0020
Silicon (Si), % 0.7 to 1.3
0 to 0.1
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
0 to 0.2
Residuals, % 0
0 to 0.010