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3105 Aluminum vs. ZK60A Magnesium

3105 aluminum belongs to the aluminum alloys classification, while ZK60A 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 3105 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, % 1.1 to 20
4.5 to 9.9
Fatigue Strength, MPa 39 to 95
150 to 180
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 77 to 140
170 to 190
Tensile Strength: Ultimate (UTS), MPa 120 to 240
320 to 330
Tensile Strength: Yield (Proof), MPa 46 to 220
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 660
600
Melting Onset (Solidus), °C 640
550
Specific Heat Capacity, J/kg-K 900
960
Thermal Conductivity, W/m-K 170
120
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 140
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.8
1.9
Embodied Carbon, kg CO2/kg material 8.2
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
570 to 690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
63
Strength to Weight: Axial, points 12 to 24
47 to 49
Strength to Weight: Bending, points 20 to 31
55 to 56
Thermal Diffusivity, mm2/s 68
66
Thermal Shock Resistance, points 5.2 to 11
19 to 20

Alloy Composition

Aluminum (Al), % 96 to 99.5
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0.2 to 0.8
92.5 to 94.8
Manganese (Mn), % 0.3 to 0.8
0
Silicon (Si), % 0 to 0.6
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.4
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3