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EN-MC21210 Magnesium vs. EN AC-51500 Aluminum

EN-MC21210 magnesium belongs to the magnesium alloys classification, while EN AC-51500 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-51500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 48
80
Elastic (Young's, Tensile) Modulus, GPa 44
68
Elongation at Break, % 14
5.6
Fatigue Strength, MPa 70
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Tensile Strength: Ultimate (UTS), MPa 190
280
Tensile Strength: Yield (Proof), MPa 90
160

Thermal Properties

Latent Heat of Fusion, J/g 350
430
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
910
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
26
Electrical Conductivity: Equal Weight (Specific), % IACS 130
88

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.6
2.6
Embodied Carbon, kg CO2/kg material 24
9.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 980
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
13
Resilience: Unit (Modulus of Resilience), kJ/m3 92
190
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
52
Strength to Weight: Axial, points 32
29
Strength to Weight: Bending, points 44
36
Thermal Diffusivity, mm2/s 76
49
Thermal Shock Resistance, points 11
13

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
89.8 to 93.1
Copper (Cu), % 0 to 0.010
0 to 0.050
Iron (Fe), % 0 to 0.0050
0 to 0.25
Magnesium (Mg), % 96.3 to 98.3
4.7 to 6.0
Manganese (Mn), % 0.1 to 0.7
0.4 to 0.8
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
1.8 to 2.6
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.2
0 to 0.070
Residuals, % 0 to 0.010
0 to 0.15