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EN AC-45100 Aluminum vs. EZ33A Magnesium

EN AC-45100 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-45100 aluminum and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 97 to 130
55
Elastic (Young's, Tensile) Modulus, GPa 72
44
Elongation at Break, % 1.0 to 2.8
2.6
Fatigue Strength, MPa 82 to 99
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 300 to 360
150
Tensile Strength: Yield (Proof), MPa 210 to 320
100

Thermal Properties

Latent Heat of Fusion, J/g 470
330
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 550
570
Specific Heat Capacity, J/kg-K 890
970
Thermal Conductivity, W/m-K 140
100
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
24
Electrical Conductivity: Equal Weight (Specific), % IACS 95
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
25
Density, g/cm3 2.8
1.9
Embodied Carbon, kg CO2/kg material 7.9
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1100
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5 to 7.6
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 710
120
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
61
Strength to Weight: Axial, points 30 to 35
22
Strength to Weight: Bending, points 35 to 39
33
Thermal Diffusivity, mm2/s 54
54
Thermal Shock Resistance, points 14 to 16
9.2

Alloy Composition

Aluminum (Al), % 88 to 92.8
0
Copper (Cu), % 2.6 to 3.6
0 to 0.1
Iron (Fe), % 0 to 0.6
0
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0.15 to 0.45
91.5 to 95
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0 to 0.1
0 to 0.010
Silicon (Si), % 4.5 to 6.0
0
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.2
2.0 to 3.1
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3