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ZK61A Magnesium vs. 5026 Aluminum

ZK61A magnesium belongs to the magnesium alloys classification, while 5026 aluminum belongs to the aluminum 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 ZK61A magnesium and the bottom bar is 5026 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
70
Elongation at Break, % 5.8 to 7.1
5.1 to 11
Fatigue Strength, MPa 120 to 140
94 to 140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 170 to 180
150 to 180
Tensile Strength: Ultimate (UTS), MPa 290 to 310
260 to 320
Tensile Strength: Yield (Proof), MPa 180 to 200
120 to 250

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 120
210
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 530
510
Specific Heat Capacity, J/kg-K 960
890
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
31
Electrical Conductivity: Equal Weight (Specific), % IACS 130
99

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 1.9
2.8
Embodied Carbon, kg CO2/kg material 23
8.9
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 940
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 19
15 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 370 to 420
100 to 440
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
49
Strength to Weight: Axial, points 42 to 45
26 to 32
Strength to Weight: Bending, points 50 to 53
33 to 37
Thermal Diffusivity, mm2/s 65
52
Thermal Shock Resistance, points 17 to 18
11 to 14

Alloy Composition

Aluminum (Al), % 0
88.2 to 94.7
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.1
0.1 to 0.8
Iron (Fe), % 0
0.2 to 1.0
Magnesium (Mg), % 92.1 to 93.9
3.9 to 4.9
Manganese (Mn), % 0
0.6 to 1.8
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0.55 to 1.4
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 5.5 to 6.5
0 to 1.0
Zirconium (Zr), % 0.6 to 1.0
0 to 0.3
Residuals, % 0
0 to 0.15