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EN-MC21310 Magnesium vs. 384.0 Aluminum

EN-MC21310 magnesium belongs to the magnesium alloys classification, while 384.0 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is EN-MC21310 magnesium and the bottom bar is 384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
85
Elastic (Young's, Tensile) Modulus, GPa 45
74
Elongation at Break, % 9.0
2.5
Fatigue Strength, MPa 86
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
28
Shear Strength, MPa 120
200
Tensile Strength: Ultimate (UTS), MPa 200
330
Tensile Strength: Yield (Proof), MPa 120
170

Thermal Properties

Latent Heat of Fusion, J/g 360
550
Maximum Temperature: Mechanical, °C 100
170
Melting Completion (Liquidus), °C 600
580
Melting Onset (Solidus), °C 560
530
Specific Heat Capacity, J/kg-K 1000
870
Thermal Conductivity, W/m-K 89
96
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
22
Electrical Conductivity: Equal Weight (Specific), % IACS 120
69

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 1.6
2.9
Embodied Carbon, kg CO2/kg material 23
7.4
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 970
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 160
190
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 73
49
Strength to Weight: Axial, points 34
32
Strength to Weight: Bending, points 47
37
Thermal Diffusivity, mm2/s 55
39
Thermal Shock Resistance, points 12
15

Alloy Composition


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Aluminum (Al), % 1.8 to 2.6
77.3 to 86.5
Copper (Cu), % 0 to 0.010
3.0 to 4.5
Iron (Fe), % 0 to 0.0050
0 to 1.3
Magnesium (Mg), % 95.2 to 97.4
0 to 0.1
Manganese (Mn), % 0.1 to 0.7
0 to 0.5
Nickel (Ni), % 0 to 0.0020
0 to 0.5
Silicon (Si), % 0.7 to 1.2
10.5 to 12
Tin (Sn), % 0
0 to 0.35
Zinc (Zn), % 0 to 0.2
0 to 3.0
Residuals, % 0 to 0.010
0 to 0.5