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6012 Aluminum vs. EZ33A Magnesium

6012 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 6012 aluminum and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
44
Elongation at Break, % 9.1 to 11
2.6
Fatigue Strength, MPa 55 to 100
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 130 to 190
140
Tensile Strength: Ultimate (UTS), MPa 220 to 320
150
Tensile Strength: Yield (Proof), MPa 110 to 260
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 570
570
Specific Heat Capacity, J/kg-K 890
970
Thermal Conductivity, W/m-K 160
100
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
24
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.9
1.9
Embodied Carbon, kg CO2/kg material 8.2
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1170
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 28
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 94 to 480
120
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 48
61
Strength to Weight: Axial, points 22 to 32
22
Strength to Weight: Bending, points 29 to 37
33
Thermal Diffusivity, mm2/s 62
54
Thermal Shock Resistance, points 10 to 14
9.2

Alloy Composition

Aluminum (Al), % 92.2 to 98
0
Bismuth (Bi), % 0 to 0.7
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0.4 to 2.0
0
Magnesium (Mg), % 0.6 to 1.2
91.5 to 95
Manganese (Mn), % 0.4 to 1.0
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.6 to 1.4
0
Titanium (Ti), % 0 to 0.2
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.3
2.0 to 3.1
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3