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EN AC-48100 Aluminum vs. EN-MC65120 Magnesium

EN AC-48100 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-48100 aluminum and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 140
55
Elastic (Young's, Tensile) Modulus, GPa 76
45
Elongation at Break, % 1.1
3.1
Fatigue Strength, MPa 120 to 130
80
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 29
17
Tensile Strength: Ultimate (UTS), MPa 240 to 330
160
Tensile Strength: Yield (Proof), MPa 190 to 300
110

Thermal Properties

Latent Heat of Fusion, J/g 640
330
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 580
590
Melting Onset (Solidus), °C 470
520
Specific Heat Capacity, J/kg-K 880
970
Thermal Conductivity, W/m-K 130
100
Thermal Expansion, µm/m-K 20
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
25
Electrical Conductivity: Equal Weight (Specific), % IACS 87
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
25
Density, g/cm3 2.8
1.9
Embodied Carbon, kg CO2/kg material 7.3
25
Embodied Energy, MJ/kg 130
190
Embodied Water, L/kg 940
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3 to 3.6
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 580
140
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 51
62
Strength to Weight: Axial, points 24 to 33
23
Strength to Weight: Bending, points 31 to 38
34
Thermal Diffusivity, mm2/s 55
56
Thermal Shock Resistance, points 11 to 16
9.8

Alloy Composition

Aluminum (Al), % 72.1 to 79.8
0
Copper (Cu), % 4.0 to 5.0
0 to 0.030
Iron (Fe), % 0 to 1.3
0 to 0.010
Magnesium (Mg), % 0.25 to 0.65
91.8 to 95.1
Manganese (Mn), % 0 to 0.5
0 to 0.15
Nickel (Ni), % 0 to 0.3
0 to 0.0050
Silicon (Si), % 16 to 18
0 to 0.010
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 1.5
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010