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EN-MC21310 Magnesium vs. C443.0 Aluminum

EN-MC21310 magnesium belongs to the magnesium alloys classification, while C443.0 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is EN-MC21310 magnesium and the bottom bar is C443.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
65
Elastic (Young's, Tensile) Modulus, GPa 45
71
Elongation at Break, % 9.0
9.0
Fatigue Strength, MPa 86
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Shear Strength, MPa 120
130
Tensile Strength: Ultimate (UTS), MPa 200
230
Tensile Strength: Yield (Proof), MPa 120
100

Thermal Properties

Latent Heat of Fusion, J/g 360
470
Maximum Temperature: Mechanical, °C 100
170
Melting Completion (Liquidus), °C 600
630
Melting Onset (Solidus), °C 560
600
Specific Heat Capacity, J/kg-K 1000
900
Thermal Conductivity, W/m-K 89
140
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
37
Electrical Conductivity: Equal Weight (Specific), % IACS 120
120

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.6
2.7
Embodied Carbon, kg CO2/kg material 23
7.9
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 970
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16
17
Resilience: Unit (Modulus of Resilience), kJ/m3 160
70
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 73
51
Strength to Weight: Axial, points 34
24
Strength to Weight: Bending, points 47
31
Thermal Diffusivity, mm2/s 55
58
Thermal Shock Resistance, points 12
10

Alloy Composition


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Aluminum (Al), % 1.8 to 2.6
89.6 to 95.5
Copper (Cu), % 0 to 0.010
0 to 0.6
Iron (Fe), % 0 to 0.0050
0 to 2.0
Magnesium (Mg), % 95.2 to 97.4
0 to 0.1
Manganese (Mn), % 0.1 to 0.7
0 to 0.35
Nickel (Ni), % 0 to 0.0020
0 to 0.5
Silicon (Si), % 0.7 to 1.2
4.5 to 6.0
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.2
0 to 0.5
Residuals, % 0 to 0.010
0 to 0.25