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4147 Aluminum vs. EZ33A Magnesium

4147 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 (4, in this case) are not shown.

For each property being compared, the top bar is 4147 aluminum and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
44
Elongation at Break, % 3.3
2.6
Fatigue Strength, MPa 42
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Shear Strength, MPa 63
140
Tensile Strength: Ultimate (UTS), MPa 110
150
Tensile Strength: Yield (Proof), MPa 59
100

Thermal Properties

Latent Heat of Fusion, J/g 570
330
Maximum Temperature: Mechanical, °C 160
250
Melting Completion (Liquidus), °C 580
640
Melting Onset (Solidus), °C 560
570
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 130
100
Thermal Expansion, µm/m-K 21
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
24
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.5
1.9
Embodied Carbon, kg CO2/kg material 7.7
25
Embodied Energy, MJ/kg 140
190
Embodied Water, L/kg 1050
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 24
120
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 55
61
Strength to Weight: Axial, points 12
22
Strength to Weight: Bending, points 20
33
Thermal Diffusivity, mm2/s 58
54
Thermal Shock Resistance, points 5.2
9.2

Alloy Composition

Aluminum (Al), % 85 to 88.9
0
Beryllium (Be), % 0 to 0.00030
0
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 0 to 0.8
0
Magnesium (Mg), % 0.1 to 0.5
91.5 to 95
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 11 to 13
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