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3102 Aluminum vs. ZC63A Magnesium

3102 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 (2, in this case) are not shown.

For each property being compared, the top bar is 3102 aluminum and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
48
Elongation at Break, % 23 to 28
3.3
Fatigue Strength, MPa 31 to 34
94
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
19
Shear Strength, MPa 58 to 65
130
Tensile Strength: Ultimate (UTS), MPa 92 to 100
220
Tensile Strength: Yield (Proof), MPa 28 to 34
130

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 180
98
Melting Completion (Liquidus), °C 640
550
Melting Onset (Solidus), °C 640
470
Specific Heat Capacity, J/kg-K 900
950
Thermal Conductivity, W/m-K 230
120
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
32
Electrical Conductivity: Equal Weight (Specific), % IACS 190
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
13
Density, g/cm3 2.7
2.1
Embodied Carbon, kg CO2/kg material 8.2
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 22
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 5.8 to 8.3
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
58
Strength to Weight: Axial, points 9.4 to 10
29
Strength to Weight: Bending, points 17 to 18
38
Thermal Diffusivity, mm2/s 92
58
Thermal Shock Resistance, points 4.1 to 4.4
12

Alloy Composition

Aluminum (Al), % 97.9 to 99.95
0
Copper (Cu), % 0 to 0.1
2.4 to 3.0
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0.050 to 0.4
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.4
0 to 0.2
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.3
5.5 to 6.5
Residuals, % 0
0 to 0.3