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242.0 Aluminum vs. EN-MC65120 Magnesium

242.0 aluminum belongs to the aluminum alloys classification, while EN-MC65120 magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 242.0 aluminum and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70 to 110
55
Elastic (Young's, Tensile) Modulus, GPa 73
45
Elongation at Break, % 0.5 to 1.5
3.1
Fatigue Strength, MPa 55 to 110
80
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Shear Strength, MPa 150 to 240
92
Tensile Strength: Ultimate (UTS), MPa 180 to 290
160
Tensile Strength: Yield (Proof), MPa 120 to 220
110

Thermal Properties

Latent Heat of Fusion, J/g 390
330
Maximum Temperature: Mechanical, °C 210
180
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 530
520
Specific Heat Capacity, J/kg-K 870
970
Thermal Conductivity, W/m-K 130 to 170
100
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33 to 44
25
Electrical Conductivity: Equal Weight (Specific), % IACS 96 to 130
120

Otherwise Unclassified Properties

Base Metal Price, % relative 12
25
Density, g/cm3 3.1
1.9
Embodied Carbon, kg CO2/kg material 8.3
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1130
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.3 to 3.4
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 340
140
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
62
Strength to Weight: Axial, points 16 to 26
23
Strength to Weight: Bending, points 23 to 32
34
Thermal Diffusivity, mm2/s 50 to 62
56
Thermal Shock Resistance, points 8.0 to 13
9.8

Alloy Composition

Aluminum (Al), % 88.4 to 93.6
0
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 3.5 to 4.5
0 to 0.030
Iron (Fe), % 0 to 1.0
0 to 0.010
Magnesium (Mg), % 1.2 to 1.8
91.8 to 95.1
Manganese (Mn), % 0 to 0.35
0 to 0.15
Nickel (Ni), % 1.7 to 2.3
0 to 0.0050
Silicon (Si), % 0 to 0.7
0 to 0.010
Titanium (Ti), % 0 to 0.25
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.35
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010