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6106 Aluminum vs. ZK60A Magnesium

6106 aluminum belongs to the aluminum alloys classification, while ZK60A magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 6106 aluminum and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
46
Elongation at Break, % 9.1
4.5 to 9.9
Fatigue Strength, MPa 88
150 to 180
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 170
170 to 190
Tensile Strength: Ultimate (UTS), MPa 290
320 to 330
Tensile Strength: Yield (Proof), MPa 220
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 660
600
Melting Onset (Solidus), °C 610
550
Specific Heat Capacity, J/kg-K 900
960
Thermal Conductivity, W/m-K 190
120
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 160
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.3
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1190
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 370
570 to 690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
63
Strength to Weight: Axial, points 29
47 to 49
Strength to Weight: Bending, points 35
55 to 56
Thermal Diffusivity, mm2/s 78
66
Thermal Shock Resistance, points 13
19 to 20

Alloy Composition

Aluminum (Al), % 97.2 to 99.3
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.35
0
Magnesium (Mg), % 0.4 to 0.8
92.5 to 94.8
Manganese (Mn), % 0.050 to 0.2
0
Silicon (Si), % 0.3 to 0.6
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.15
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3