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EN AC-45300 Aluminum vs. EN-MC65120 Magnesium

EN AC-45300 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-45300 aluminum and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 94 to 120
55
Elastic (Young's, Tensile) Modulus, GPa 71
45
Elongation at Break, % 1.0 to 2.8
3.1
Fatigue Strength, MPa 59 to 72
80
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 220 to 290
160
Tensile Strength: Yield (Proof), MPa 150 to 230
110

Thermal Properties

Latent Heat of Fusion, J/g 470
330
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 630
590
Melting Onset (Solidus), °C 590
520
Specific Heat Capacity, J/kg-K 890
970
Thermal Conductivity, W/m-K 150
100
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
25
Electrical Conductivity: Equal Weight (Specific), % IACS 120
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.0
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1120
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 5.6
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 390
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
62
Strength to Weight: Axial, points 23 to 29
23
Strength to Weight: Bending, points 30 to 35
34
Thermal Diffusivity, mm2/s 60
56
Thermal Shock Resistance, points 10 to 13
9.8

Alloy Composition

Aluminum (Al), % 90.2 to 94.2
0
Copper (Cu), % 1.0 to 1.5
0 to 0.030
Iron (Fe), % 0 to 0.65
0 to 0.010
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0.35 to 0.65
91.8 to 95.1
Manganese (Mn), % 0 to 0.55
0 to 0.15
Nickel (Ni), % 0 to 0.25
0 to 0.0050
Silicon (Si), % 4.5 to 5.5
0 to 0.010
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.15
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010