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1200 Aluminum vs. EZ33A Magnesium

1200 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 (2, in this case) are not shown.

For each property being compared, the top bar is 1200 aluminum and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23 to 48
55
Elastic (Young's, Tensile) Modulus, GPa 69
44
Elongation at Break, % 1.1 to 28
2.6
Fatigue Strength, MPa 25 to 69
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 54 to 100
140
Tensile Strength: Ultimate (UTS), MPa 85 to 180
150
Tensile Strength: Yield (Proof), MPa 28 to 160
100

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 650
570
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 230
100
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 58
24
Electrical Conductivity: Equal Weight (Specific), % IACS 190
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
25
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.2
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1190
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.0 to 19
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 5.7 to 180
120
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
61
Strength to Weight: Axial, points 8.7 to 19
22
Strength to Weight: Bending, points 16 to 26
33
Thermal Diffusivity, mm2/s 92
54
Thermal Shock Resistance, points 3.8 to 8.1
9.2

Alloy Composition

Aluminum (Al), % 99 to 100
0
Copper (Cu), % 0 to 0.050
0 to 0.1
Iron (Fe), % 0 to 1.0
0
Magnesium (Mg), % 0
91.5 to 95
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 1.0
0
Titanium (Ti), % 0 to 0.050
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