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3104 Aluminum vs. ZC63A Magnesium

3104 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 3104 aluminum and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
48
Elongation at Break, % 1.1 to 20
3.3
Fatigue Strength, MPa 74 to 130
94
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
19
Shear Strength, MPa 110 to 180
130
Tensile Strength: Ultimate (UTS), MPa 170 to 310
220
Tensile Strength: Yield (Proof), MPa 68 to 270
130

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 180
98
Melting Completion (Liquidus), °C 650
550
Melting Onset (Solidus), °C 600
470
Specific Heat Capacity, J/kg-K 900
950
Thermal Conductivity, W/m-K 160
120
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
32
Electrical Conductivity: Equal Weight (Specific), % IACS 130
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.8
2.1
Embodied Carbon, kg CO2/kg material 8.4
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.6 to 60
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 34 to 540
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
58
Strength to Weight: Axial, points 17 to 31
29
Strength to Weight: Bending, points 25 to 37
38
Thermal Diffusivity, mm2/s 64
58
Thermal Shock Resistance, points 7.6 to 13
12

Alloy Composition

Aluminum (Al), % 95.1 to 98.4
0
Copper (Cu), % 0.050 to 0.25
2.4 to 3.0
Gallium (Ga), % 0 to 0.050
0
Iron (Fe), % 0 to 0.8
0
Magnesium (Mg), % 0.8 to 1.3
89.2 to 91.9
Manganese (Mn), % 0.8 to 1.4
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.6
0 to 0.2
Titanium (Ti), % 0 to 0.1
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.25
5.5 to 6.5
Residuals, % 0
0 to 0.3