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4047 Aluminum vs. ZC63A Magnesium

4047 aluminum belongs to the aluminum alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 4047 aluminum and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
48
Elongation at Break, % 3.4
3.3
Fatigue Strength, MPa 45
94
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
19
Shear Strength, MPa 69
130
Tensile Strength: Ultimate (UTS), MPa 120
220
Tensile Strength: Yield (Proof), MPa 64
130

Thermal Properties

Latent Heat of Fusion, J/g 570
330
Maximum Temperature: Mechanical, °C 160
98
Melting Completion (Liquidus), °C 580
550
Melting Onset (Solidus), °C 580
470
Specific Heat Capacity, J/kg-K 900
950
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 21
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
32
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.5
2.1
Embodied Carbon, kg CO2/kg material 7.7
22
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1050
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 28
190
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 55
58
Strength to Weight: Axial, points 13
29
Strength to Weight: Bending, points 21
38
Thermal Diffusivity, mm2/s 59
58
Thermal Shock Resistance, points 5.6
12

Alloy Composition

Aluminum (Al), % 85.3 to 89
0
Copper (Cu), % 0 to 0.3
2.4 to 3.0
Iron (Fe), % 0 to 0.8
0
Magnesium (Mg), % 0 to 0.1
89.2 to 91.9
Manganese (Mn), % 0 to 0.15
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 11 to 13
0 to 0.2
Zinc (Zn), % 0 to 0.2
5.5 to 6.5
Residuals, % 0
0 to 0.3