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EN AC-43300 Aluminum vs. EN-MC65120 Magnesium

EN AC-43300 aluminum belongs to the aluminum alloys classification, while EN-MC65120 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-43300 aluminum and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91 to 94
55
Elastic (Young's, Tensile) Modulus, GPa 71
45
Elongation at Break, % 3.4 to 6.7
3.1
Fatigue Strength, MPa 76 to 77
80
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 280 to 290
160
Tensile Strength: Yield (Proof), MPa 210 to 230
110

Thermal Properties

Latent Heat of Fusion, J/g 540
330
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 600
590
Melting Onset (Solidus), °C 590
520
Specific Heat Capacity, J/kg-K 910
970
Thermal Conductivity, W/m-K 140
100
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
25
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.5
1.9
Embodied Carbon, kg CO2/kg material 7.9
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1080
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 17
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
140
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 54
62
Strength to Weight: Axial, points 31 to 32
23
Strength to Weight: Bending, points 37 to 38
34
Thermal Diffusivity, mm2/s 59
56
Thermal Shock Resistance, points 13 to 14
9.8

Alloy Composition

Aluminum (Al), % 88.9 to 90.8
0
Copper (Cu), % 0 to 0.050
0 to 0.030
Iron (Fe), % 0 to 0.19
0 to 0.010
Magnesium (Mg), % 0.25 to 0.45
91.8 to 95.1
Manganese (Mn), % 0 to 0.1
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 9.0 to 10
0 to 0.010
Titanium (Ti), % 0 to 0.15
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.070
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010