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EN-MC21210 Magnesium vs. 6070 Aluminum

EN-MC21210 magnesium belongs to the magnesium alloys classification, while 6070 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-MC21210 magnesium and the bottom bar is 6070 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
70
Elongation at Break, % 14
5.6 to 8.6
Fatigue Strength, MPa 70
95 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 110
220 to 240
Tensile Strength: Ultimate (UTS), MPa 190
370 to 380
Tensile Strength: Yield (Proof), MPa 90
350

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
41
Electrical Conductivity: Equal Weight (Specific), % IACS 130
140

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
20 to 32
Resilience: Unit (Modulus of Resilience), kJ/m3 92
880 to 900
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
50
Strength to Weight: Axial, points 32
38
Strength to Weight: Bending, points 44
42 to 43
Thermal Diffusivity, mm2/s 76
65
Thermal Shock Resistance, points 11
16 to 17

Alloy Composition

Aluminum (Al), % 1.6 to 2.6
94.6 to 98
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.010
0.15 to 0.4
Iron (Fe), % 0 to 0.0050
0 to 0.5
Magnesium (Mg), % 96.3 to 98.3
0.5 to 1.2
Manganese (Mn), % 0.1 to 0.7
0.4 to 1.0
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
1.0 to 1.7
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.2
0 to 0.25
Residuals, % 0
0 to 0.15