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6023 Aluminum vs. ZK60A Magnesium

6023 aluminum belongs to the aluminum alloys classification, while ZK60A magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 6023 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, % 11
4.5 to 9.9
Fatigue Strength, MPa 120 to 130
150 to 180
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 210 to 220
170 to 190
Tensile Strength: Ultimate (UTS), MPa 360
320 to 330
Tensile Strength: Yield (Proof), MPa 300 to 310
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 580
550
Specific Heat Capacity, J/kg-K 890
960
Thermal Conductivity, W/m-K 170
120
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 140
140

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 2.8
1.9
Embodied Carbon, kg CO2/kg material 8.3
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
570 to 690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
63
Strength to Weight: Axial, points 35 to 36
47 to 49
Strength to Weight: Bending, points 40
55 to 56
Thermal Diffusivity, mm2/s 67
66
Thermal Shock Resistance, points 16
19 to 20

Alloy Composition

Aluminum (Al), % 94 to 97.7
0
Bismuth (Bi), % 0.3 to 0.8
0
Copper (Cu), % 0.2 to 0.5
0
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 0.4 to 0.9
92.5 to 94.8
Manganese (Mn), % 0.2 to 0.6
0
Silicon (Si), % 0.6 to 1.4
0
Tin (Sn), % 0.6 to 1.2
0
Zinc (Zn), % 0
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3

Comparable Variants