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2017 Aluminum vs. ZK60A Magnesium

2017 aluminum belongs to the aluminum alloys classification, while ZK60A magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 2017 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, % 12 to 18
4.5 to 9.9
Fatigue Strength, MPa 90 to 130
150 to 180
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 130 to 260
170 to 190
Tensile Strength: Ultimate (UTS), MPa 190 to 430
320 to 330
Tensile Strength: Yield (Proof), MPa 76 to 260
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 390
330
Maximum Temperature: Mechanical, °C 190
120
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 510
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 38
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 110
140

Otherwise Unclassified Properties

Base Metal Price, % relative 10
13
Density, g/cm3 3.0
1.9
Embodied Carbon, kg CO2/kg material 8.0
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1140
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 66
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 41 to 470
570 to 690
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
63
Strength to Weight: Axial, points 17 to 40
47 to 49
Strength to Weight: Bending, points 24 to 42
55 to 56
Thermal Diffusivity, mm2/s 56
66
Thermal Shock Resistance, points 7.9 to 18
19 to 20

Alloy Composition

Aluminum (Al), % 91.6 to 95.5
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
0
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0.4 to 0.8
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 0.15
0
Zinc (Zn), % 0 to 0.25
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3