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EN AC-44300 Aluminum vs. EN-MC21210 Magnesium

EN AC-44300 aluminum belongs to the aluminum alloys classification, while EN-MC21210 magnesium belongs to the magnesium 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 AC-44300 aluminum and the bottom bar is EN-MC21210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 68
48
Elastic (Young's, Tensile) Modulus, GPa 72
44
Elongation at Break, % 1.1
14
Fatigue Strength, MPa 100
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 270
190
Tensile Strength: Yield (Proof), MPa 150
90

Thermal Properties

Latent Heat of Fusion, J/g 570
350
Maximum Temperature: Mechanical, °C 170
100
Melting Completion (Liquidus), °C 590
600
Melting Onset (Solidus), °C 580
570
Specific Heat Capacity, J/kg-K 900
1000
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 21
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
24
Electrical Conductivity: Equal Weight (Specific), % IACS 120
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.5
1.6
Embodied Carbon, kg CO2/kg material 7.7
24
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1050
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
22
Resilience: Unit (Modulus of Resilience), kJ/m3 150
92
Stiffness to Weight: Axial, points 16
15
Stiffness to Weight: Bending, points 55
72
Strength to Weight: Axial, points 29
32
Strength to Weight: Bending, points 36
44
Thermal Diffusivity, mm2/s 58
76
Thermal Shock Resistance, points 13
11

Alloy Composition

Aluminum (Al), % 84.3 to 89.5
1.6 to 2.6
Copper (Cu), % 0 to 0.1
0 to 0.010
Iron (Fe), % 0 to 1.0
0 to 0.0050
Magnesium (Mg), % 0
96.3 to 98.3
Manganese (Mn), % 0 to 0.55
0.1 to 0.7
Nickel (Ni), % 0
0 to 0.0020
Silicon (Si), % 10.5 to 13.5
0 to 0.1
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
0 to 0.2
Residuals, % 0
0 to 0.010