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204.0 Aluminum vs. EN-MC65210 Magnesium

204.0 aluminum belongs to the aluminum alloys classification, while EN-MC65210 magnesium belongs to the magnesium 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 204.0 aluminum and the bottom bar is EN-MC65210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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