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EN AC-46500 Aluminum vs. EZ33A Magnesium

EN AC-46500 aluminum belongs to the aluminum alloys classification, while EZ33A magnesium belongs to the magnesium alloys. There are 30 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-46500 aluminum and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
55
Elastic (Young's, Tensile) Modulus, GPa 74
44
Elongation at Break, % 1.0
2.6
Fatigue Strength, MPa 110
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
17
Tensile Strength: Ultimate (UTS), MPa 270
150
Tensile Strength: Yield (Proof), MPa 160
100

Thermal Properties

Latent Heat of Fusion, J/g 520
330
Maximum Temperature: Mechanical, °C 180
250
Melting Completion (Liquidus), °C 610
640
Melting Onset (Solidus), °C 520
570
Specific Heat Capacity, J/kg-K 880
970
Thermal Conductivity, W/m-K 100
100
Thermal Expansion, µm/m-K 21
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
24
Electrical Conductivity: Equal Weight (Specific), % IACS 81
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
25
Density, g/cm3 2.9
1.9
Embodied Carbon, kg CO2/kg material 7.6
25
Embodied Energy, MJ/kg 140
190
Embodied Water, L/kg 1030
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 170
120
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
61
Strength to Weight: Axial, points 26
22
Strength to Weight: Bending, points 32
33
Thermal Diffusivity, mm2/s 41
54
Thermal Shock Resistance, points 12
9.2

Alloy Composition

Aluminum (Al), % 77.9 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
91.5 to 95
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
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 3.0
2.0 to 3.1
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3