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4047 Aluminum vs. EN-MC35110 Magnesium

4047 aluminum belongs to the aluminum alloys classification, while EN-MC35110 magnesium belongs to the magnesium alloys. There are 30 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 4047 aluminum and the bottom bar is EN-MC35110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
45
Elongation at Break, % 3.4
3.1
Fatigue Strength, MPa 45
110
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 69
130
Tensile Strength: Ultimate (UTS), MPa 120
230
Tensile Strength: Yield (Proof), MPa 64
150

Thermal Properties

Latent Heat of Fusion, J/g 570
330
Maximum Temperature: Mechanical, °C 160
140
Melting Completion (Liquidus), °C 580
600
Melting Onset (Solidus), °C 580
520
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 21
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
27
Electrical Conductivity: Equal Weight (Specific), % IACS 120
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.5
1.9
Embodied Carbon, kg CO2/kg material 7.7
24
Embodied Energy, MJ/kg 140
170
Embodied Water, L/kg 1050
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 28
260
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 55
63
Strength to Weight: Axial, points 13
34
Strength to Weight: Bending, points 21
44
Thermal Diffusivity, mm2/s 59
61
Thermal Shock Resistance, points 5.6
14

Alloy Composition

Aluminum (Al), % 85.3 to 89
0
Copper (Cu), % 0 to 0.3
0 to 0.030
Iron (Fe), % 0 to 0.8
0 to 0.010
Magnesium (Mg), % 0 to 0.1
92 to 95.4
Manganese (Mn), % 0 to 0.15
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 11 to 13
0 to 0.010
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 0.2
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010