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6105 Aluminum vs. ZC63A Magnesium

6105 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 6105 aluminum and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
48
Elongation at Break, % 9.0 to 16
3.3
Fatigue Strength, MPa 95 to 130
94
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
19
Shear Strength, MPa 120 to 170
130
Tensile Strength: Ultimate (UTS), MPa 190 to 280
220
Tensile Strength: Yield (Proof), MPa 120 to 270
130

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 160
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 180 to 190
120
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46 to 50
32
Electrical Conductivity: Equal Weight (Specific), % IACS 150 to 170
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.7
2.1
Embodied Carbon, kg CO2/kg material 8.3
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 27
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 550
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
58
Strength to Weight: Axial, points 20 to 29
29
Strength to Weight: Bending, points 28 to 35
38
Thermal Diffusivity, mm2/s 72 to 79
58
Thermal Shock Resistance, points 8.6 to 12
12

Alloy Composition

Aluminum (Al), % 97.2 to 99
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
2.4 to 3.0
Iron (Fe), % 0 to 0.35
0
Magnesium (Mg), % 0.45 to 0.8
89.2 to 91.9
Manganese (Mn), % 0 to 0.1
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.6 to 1.0
0 to 0.2
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
5.5 to 6.5
Residuals, % 0
0 to 0.3