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EN AC-45400 Aluminum vs. ZC63A Magnesium

EN AC-45400 aluminum belongs to the aluminum alloys classification, while ZC63A 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 EN AC-45400 aluminum and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 86
60
Elastic (Young's, Tensile) Modulus, GPa 72
48
Elongation at Break, % 6.7
3.3
Fatigue Strength, MPa 55
94
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
19
Tensile Strength: Ultimate (UTS), MPa 260
220
Tensile Strength: Yield (Proof), MPa 130
130

Thermal Properties

Latent Heat of Fusion, J/g 470
330
Maximum Temperature: Mechanical, °C 170
98
Melting Completion (Liquidus), °C 630
550
Melting Onset (Solidus), °C 560
470
Specific Heat Capacity, J/kg-K 880
950
Thermal Conductivity, W/m-K 140
120
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
32
Electrical Conductivity: Equal Weight (Specific), % IACS 95
140

Otherwise Unclassified Properties

Base Metal Price, % relative 10
13
Density, g/cm3 2.8
2.1
Embodied Carbon, kg CO2/kg material 7.8
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1100
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 110
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
58
Strength to Weight: Axial, points 25
29
Strength to Weight: Bending, points 32
38
Thermal Diffusivity, mm2/s 54
58
Thermal Shock Resistance, points 12
12

Alloy Composition

Aluminum (Al), % 88.4 to 92.9
0
Copper (Cu), % 2.6 to 3.6
2.4 to 3.0
Iron (Fe), % 0 to 0.6
0
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0 to 0.050
89.2 to 91.9
Manganese (Mn), % 0 to 0.55
0.25 to 0.75
Nickel (Ni), % 0 to 0.1
0 to 0.010
Silicon (Si), % 4.5 to 6.0
0 to 0.2
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.2
5.5 to 6.5
Residuals, % 0
0 to 0.3