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EN AC-45000 Aluminum vs. ZE41A Magnesium

EN AC-45000 aluminum belongs to the aluminum alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN AC-45000 aluminum and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77
63
Elastic (Young's, Tensile) Modulus, GPa 73
45
Elongation at Break, % 1.1
3.3
Fatigue Strength, MPa 75
98
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Tensile Strength: Ultimate (UTS), MPa 180
210
Tensile Strength: Yield (Proof), MPa 110
140

Thermal Properties

Latent Heat of Fusion, J/g 470
330
Maximum Temperature: Mechanical, °C 180
150
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 520
540
Specific Heat Capacity, J/kg-K 870
970
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
27
Electrical Conductivity: Equal Weight (Specific), % IACS 81
130

Otherwise Unclassified Properties

Base Metal Price, % relative 11
18
Density, g/cm3 3.0
1.9
Embodied Carbon, kg CO2/kg material 7.7
24
Embodied Energy, MJ/kg 140
170
Embodied Water, L/kg 1070
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 80
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
63
Strength to Weight: Axial, points 17
31
Strength to Weight: Bending, points 24
41
Thermal Diffusivity, mm2/s 47
59
Thermal Shock Resistance, points 8.0
12

Alloy Composition

Aluminum (Al), % 82.2 to 91.8
0
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 3.0 to 5.0
0 to 0.1
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0 to 0.55
91.7 to 95.4
Manganese (Mn), % 0.2 to 0.65
0 to 0.15
Nickel (Ni), % 0 to 0.45
0 to 0.010
Silicon (Si), % 5.0 to 7.0
0
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 2.0
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3