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2117 Aluminum vs. ZK60A Magnesium

2117 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 (1, in this case) are not shown.

For each property being compared, the top bar is 2117 aluminum and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
46
Elongation at Break, % 26
4.5 to 9.9
Fatigue Strength, MPa 95
150 to 180
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 200
170 to 190
Tensile Strength: Ultimate (UTS), MPa 300
320 to 330
Tensile Strength: Yield (Proof), MPa 170
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 220
120
Melting Completion (Liquidus), °C 650
600
Melting Onset (Solidus), °C 550
550
Specific Heat Capacity, J/kg-K 880
960
Thermal Conductivity, W/m-K 150
120
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 10
13
Density, g/cm3 3.0
1.9
Embodied Carbon, kg CO2/kg material 8.2
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1150
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 190
570 to 690
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
63
Strength to Weight: Axial, points 28
47 to 49
Strength to Weight: Bending, points 33
55 to 56
Thermal Diffusivity, mm2/s 59
66
Thermal Shock Resistance, points 12
19 to 20

Alloy Composition

Aluminum (Al), % 91 to 97.6
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 2.2 to 4.5
0
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0.2 to 1.0
92.5 to 94.8
Manganese (Mn), % 0.4 to 1.0
0
Silicon (Si), % 0.2 to 0.8
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.25
4.8 to 6.2
Zirconium (Zr), % 0 to 0.25
0.45 to 1.0
Residuals, % 0
0 to 0.3