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EN-MC21210 Magnesium vs. EN AC-45300 Aluminum

EN-MC21210 magnesium belongs to the magnesium alloys classification, while EN AC-45300 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 EN AC-45300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 48
94 to 120
Elastic (Young's, Tensile) Modulus, GPa 44
71
Elongation at Break, % 14
1.0 to 2.8
Fatigue Strength, MPa 70
59 to 72
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 190
220 to 290
Tensile Strength: Yield (Proof), MPa 90
150 to 230

Thermal Properties

Latent Heat of Fusion, J/g 350
470
Maximum Temperature: Mechanical, °C 100
170
Melting Completion (Liquidus), °C 600
630
Melting Onset (Solidus), °C 570
590
Specific Heat Capacity, J/kg-K 1000
890
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 27
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
36
Electrical Conductivity: Equal Weight (Specific), % IACS 130
120

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.6
2.7
Embodied Carbon, kg CO2/kg material 24
8.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 980
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
2.7 to 5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 92
160 to 390
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
50
Strength to Weight: Axial, points 32
23 to 29
Strength to Weight: Bending, points 44
30 to 35
Thermal Diffusivity, mm2/s 76
60
Thermal Shock Resistance, points 11
10 to 13

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
90.2 to 94.2
Copper (Cu), % 0 to 0.010
1.0 to 1.5
Iron (Fe), % 0 to 0.0050
0 to 0.65
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 96.3 to 98.3
0.35 to 0.65
Manganese (Mn), % 0.1 to 0.7
0 to 0.55
Nickel (Ni), % 0 to 0.0020
0 to 0.25
Silicon (Si), % 0 to 0.1
4.5 to 5.5
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.2
0 to 0.15
Residuals, % 0 to 0.010
0 to 0.15