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EN AC-51400 Aluminum vs. EZ33A Magnesium

EN AC-51400 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-51400 aluminum and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 71
55
Elastic (Young's, Tensile) Modulus, GPa 67
44
Elongation at Break, % 3.4
2.6
Fatigue Strength, MPa 85
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
17
Tensile Strength: Ultimate (UTS), MPa 190
150
Tensile Strength: Yield (Proof), MPa 120
100

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 600
570
Specific Heat Capacity, J/kg-K 910
970
Thermal Conductivity, W/m-K 110
100
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
24
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 9.1
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1170
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 110
120
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
61
Strength to Weight: Axial, points 20
22
Strength to Weight: Bending, points 28
33
Thermal Diffusivity, mm2/s 46
54
Thermal Shock Resistance, points 8.6
9.2

Alloy Composition

Aluminum (Al), % 90.5 to 95.5
0
Copper (Cu), % 0 to 0.050
0 to 0.1
Iron (Fe), % 0 to 0.55
0
Magnesium (Mg), % 4.5 to 6.5
91.5 to 95
Manganese (Mn), % 0 to 0.45
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 1.5
0
Titanium (Ti), % 0 to 0.2
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.1
2.0 to 3.1
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3