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6005A Aluminum vs. ZK51A Magnesium

6005A aluminum belongs to the aluminum alloys classification, while ZK51A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 6005A aluminum and the bottom bar is ZK51A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
45
Elongation at Break, % 8.6 to 17
4.7
Fatigue Strength, MPa 55 to 110
62
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 120 to 180
160
Tensile Strength: Ultimate (UTS), MPa 190 to 300
240
Tensile Strength: Yield (Proof), MPa 100 to 270
150

Thermal Properties

Latent Heat of Fusion, J/g 410
340
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 600
550
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 180 to 190
110
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47 to 50
28
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
1.8
Embodied Carbon, kg CO2/kg material 8.3
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
10
Resilience: Unit (Modulus of Resilience), kJ/m3 76 to 530
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
64
Strength to Weight: Axial, points 20 to 30
36
Strength to Weight: Bending, points 27 to 36
47
Thermal Diffusivity, mm2/s 72 to 79
61
Thermal Shock Resistance, points 8.6 to 13
15

Alloy Composition

Aluminum (Al), % 96.5 to 99.1
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
0 to 0.1
Iron (Fe), % 0 to 0.35
0
Magnesium (Mg), % 0.4 to 0.7
93.1 to 95.9
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.5 to 0.9
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
3.6 to 5.5
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3