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EN AC-46000 Aluminum vs. ZK61A Magnesium

EN AC-46000 aluminum belongs to the aluminum alloys classification, while ZK61A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN AC-46000 aluminum and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
46
Elongation at Break, % 1.0
5.8 to 7.1
Fatigue Strength, MPa 110
120 to 140
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
18
Tensile Strength: Ultimate (UTS), MPa 270
290 to 310
Tensile Strength: Yield (Proof), MPa 160
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 530
330
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 620
640
Melting Onset (Solidus), °C 530
530
Specific Heat Capacity, J/kg-K 880
960
Thermal Conductivity, W/m-K 100
120
Thermal Expansion, µm/m-K 21
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
29
Electrical Conductivity: Equal Weight (Specific), % IACS 82
130

Otherwise Unclassified Properties

Base Metal Price, % relative 10
13
Density, g/cm3 2.8
1.9
Embodied Carbon, kg CO2/kg material 7.6
23
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1040
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 170
370 to 420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
62
Strength to Weight: Axial, points 26
42 to 45
Strength to Weight: Bending, points 33
50 to 53
Thermal Diffusivity, mm2/s 42
65
Thermal Shock Resistance, points 12
17 to 18

Alloy Composition

Aluminum (Al), % 79.7 to 90
0
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 2.0 to 4.0
0 to 0.1
Iron (Fe), % 0 to 1.3
0
Lead (Pb), % 0 to 0.35
0
Magnesium (Mg), % 0.050 to 0.55
92.1 to 93.9
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0 to 0.55
0 to 0.010
Silicon (Si), % 8.0 to 11
0
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.2
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3