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771.0 Aluminum vs. EZ33A Magnesium

771.0 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 771.0 aluminum and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85 to 120
55
Elastic (Young's, Tensile) Modulus, GPa 70
44
Elongation at Break, % 1.7 to 6.5
2.6
Fatigue Strength, MPa 92 to 180
70
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
17
Tensile Strength: Ultimate (UTS), MPa 250 to 370
150
Tensile Strength: Yield (Proof), MPa 210 to 350
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 620
570
Solidification (Pattern Maker's) Shrinkage, % 1.6
1.6
Specific Heat Capacity, J/kg-K 870
970
Thermal Conductivity, W/m-K 140 to 150
100
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
24
Electrical Conductivity: Equal Weight (Specific), % IACS 82
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 3.0
1.9
Embodied Carbon, kg CO2/kg material 8.0
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1130
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4 to 20
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 900
120
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
61
Strength to Weight: Axial, points 23 to 35
22
Strength to Weight: Bending, points 29 to 39
33
Thermal Diffusivity, mm2/s 54 to 58
54
Thermal Shock Resistance, points 11 to 16
9.2

Alloy Composition

Aluminum (Al), % 90.5 to 92.5
0
Chromium (Cr), % 0.060 to 0.2
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.15
0
Magnesium (Mg), % 0.8 to 1.0
91.5 to 95
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.15
0
Titanium (Ti), % 0.1 to 0.2
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 6.5 to 7.5
2.0 to 3.1
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3