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6463 Aluminum vs. ZK61A Magnesium

6463 aluminum belongs to the aluminum alloys classification, while ZK61A 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 6463 aluminum and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
46
Elongation at Break, % 9.0 to 17
5.8 to 7.1
Fatigue Strength, MPa 45 to 76
120 to 140
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 86 to 150
170 to 180
Tensile Strength: Ultimate (UTS), MPa 140 to 230
290 to 310
Tensile Strength: Yield (Proof), MPa 82 to 200
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 620
530
Specific Heat Capacity, J/kg-K 900
960
Thermal Conductivity, W/m-K 190 to 210
120
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50 to 55
29
Electrical Conductivity: Equal Weight (Specific), % IACS 170 to 180
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.3
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1190
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 25
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 300
370 to 420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
62
Strength to Weight: Axial, points 14 to 24
42 to 45
Strength to Weight: Bending, points 22 to 31
50 to 53
Thermal Diffusivity, mm2/s 79 to 86
65
Thermal Shock Resistance, points 6.3 to 10
17 to 18

Alloy Composition

Aluminum (Al), % 97.9 to 99.4
0
Copper (Cu), % 0 to 0.2
0 to 0.1
Iron (Fe), % 0 to 0.15
0
Magnesium (Mg), % 0.45 to 0.9
92.1 to 93.9
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.2 to 0.6
0
Zinc (Zn), % 0 to 0.050
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3

Comparable Variants