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707.0 Aluminum vs. EZ33A Magnesium

707.0 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 707.0 aluminum and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
44
Elongation at Break, % 1.7 to 3.4
2.6
Fatigue Strength, MPa 75 to 140
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Tensile Strength: Ultimate (UTS), MPa 270 to 300
150
Tensile Strength: Yield (Proof), MPa 170 to 250
100

Thermal Properties

Latent Heat of Fusion, J/g 380
330
Maximum Temperature: Mechanical, °C 180
250
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 600
570
Solidification (Pattern Maker's) Shrinkage, % 1.6
1.6
Specific Heat Capacity, J/kg-K 880
970
Thermal Conductivity, W/m-K 150
100
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
24
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.9
1.9
Embodied Carbon, kg CO2/kg material 8.3
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1140
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3 to 8.6
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 430
120
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
61
Strength to Weight: Axial, points 26 to 29
22
Strength to Weight: Bending, points 32 to 34
33
Thermal Diffusivity, mm2/s 58
54
Thermal Shock Resistance, points 12 to 13
9.2

Alloy Composition

Aluminum (Al), % 90.5 to 93.6
0
Chromium (Cr), % 0.2 to 0.4
0
Copper (Cu), % 0 to 0.2
0 to 0.1
Iron (Fe), % 0 to 0.8
0
Magnesium (Mg), % 1.8 to 2.4
91.5 to 95
Manganese (Mn), % 0.4 to 0.6
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.25
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 4.0 to 4.5
2.0 to 3.1
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3