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EN-MC65210 Magnesium vs. 204.0 Aluminum

EN-MC65210 magnesium belongs to the magnesium alloys classification, while 204.0 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN-MC65210 magnesium and the bottom bar is 204.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
90 to 120
Elastic (Young's, Tensile) Modulus, GPa 44
71
Elongation at Break, % 2.8
5.7 to 7.8
Fatigue Strength, MPa 110
63 to 77
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 270
230 to 340
Tensile Strength: Yield (Proof), MPa 200
180 to 220

Thermal Properties

Latent Heat of Fusion, J/g 340
390
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 610
650
Melting Onset (Solidus), °C 540
580
Specific Heat Capacity, J/kg-K 970
880
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 26
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
29 to 34
Electrical Conductivity: Equal Weight (Specific), % IACS 110
87 to 100

Otherwise Unclassified Properties

Density, g/cm3 2.0
3.0
Embodied Carbon, kg CO2/kg material 27
8.0
Embodied Energy, MJ/kg 220
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 450
220 to 350
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 59
46
Strength to Weight: Axial, points 38
21 to 31
Strength to Weight: Bending, points 47
28 to 36
Thermal Diffusivity, mm2/s 58
46
Thermal Shock Resistance, points 17
12 to 18

Alloy Composition

Aluminum (Al), % 0
93.4 to 95.5
Copper (Cu), % 0 to 0.030
4.2 to 5.0
Iron (Fe), % 0 to 0.010
0 to 0.35
Magnesium (Mg), % 92.6 to 95.6
0.15 to 0.35
Manganese (Mn), % 0 to 0.15
0 to 0.1
Nickel (Ni), % 0 to 0.0050
0 to 0.050
Silicon (Si), % 0 to 0.010
0 to 0.2
Silver (Ag), % 2.0 to 3.0
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.3
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
0 to 0.1
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.15