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A380.0 Aluminum vs. EZ33A Magnesium

A380.0 aluminum belongs to the aluminum alloys classification, while EZ33A magnesium belongs to the magnesium alloys. There are 31 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 A380.0 aluminum and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
55
Elastic (Young's, Tensile) Modulus, GPa 73
44
Elongation at Break, % 3.3
2.6
Fatigue Strength, MPa 140
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Shear Strength, MPa 190
140
Tensile Strength: Ultimate (UTS), MPa 290
150
Tensile Strength: Yield (Proof), MPa 160
100

Thermal Properties

Latent Heat of Fusion, J/g 510
330
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 590
640
Melting Onset (Solidus), °C 550
570
Specific Heat Capacity, J/kg-K 870
970
Thermal Conductivity, W/m-K 96
100
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
24
Electrical Conductivity: Equal Weight (Specific), % IACS 78
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
25
Density, g/cm3 2.9
1.9
Embodied Carbon, kg CO2/kg material 7.5
25
Embodied Energy, MJ/kg 140
190
Embodied Water, L/kg 1040
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 180
120
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
61
Strength to Weight: Axial, points 28
22
Strength to Weight: Bending, points 34
33
Thermal Diffusivity, mm2/s 38
54
Thermal Shock Resistance, points 13
9.2

Alloy Composition

Aluminum (Al), % 80.3 to 89.5
0
Copper (Cu), % 3.0 to 4.0
0 to 0.1
Iron (Fe), % 0 to 1.3
0
Magnesium (Mg), % 0 to 0.1
91.5 to 95
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0 to 0.010
Silicon (Si), % 7.5 to 9.5
0
Tin (Sn), % 0 to 0.35
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