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383.0 Aluminum vs. EN-MC65120 Magnesium

383.0 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 (3, in this case) are not shown.

For each property being compared, the top bar is 383.0 aluminum and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
55
Elastic (Young's, Tensile) Modulus, GPa 73
45
Elongation at Break, % 3.5
3.1
Fatigue Strength, MPa 150
80
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
17
Tensile Strength: Ultimate (UTS), MPa 280
160
Tensile Strength: Yield (Proof), MPa 150
110

Thermal Properties

Latent Heat of Fusion, J/g 540
330
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 580
590
Melting Onset (Solidus), °C 540
520
Specific Heat Capacity, J/kg-K 880
970
Thermal Conductivity, W/m-K 96
100
Thermal Expansion, µm/m-K 21
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
25
Electrical Conductivity: Equal Weight (Specific), % IACS 74
120

Otherwise Unclassified Properties

Base Metal Price, % relative 10
25
Density, g/cm3 2.8
1.9
Embodied Carbon, kg CO2/kg material 7.5
25
Embodied Energy, MJ/kg 140
190
Embodied Water, L/kg 1030
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.2
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 150
140
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 50
62
Strength to Weight: Axial, points 28
23
Strength to Weight: Bending, points 34
34
Thermal Diffusivity, mm2/s 39
56
Thermal Shock Resistance, points 13
9.8

Alloy Composition

Aluminum (Al), % 79.7 to 88.5
0
Copper (Cu), % 2.0 to 3.0
0 to 0.030
Iron (Fe), % 0 to 1.3
0 to 0.010
Magnesium (Mg), % 0 to 0.1
91.8 to 95.1
Manganese (Mn), % 0 to 0.5
0 to 0.15
Nickel (Ni), % 0 to 0.3
0 to 0.0050
Silicon (Si), % 9.5 to 11.5
0 to 0.010
Tin (Sn), % 0 to 0.15
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 3.0
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0 to 0.5
0 to 0.010