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3003 Aluminum vs. EZ33A Magnesium

3003 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 (3, in this case) are not shown.

For each property being compared, the top bar is 3003 aluminum and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 28 to 65
55
Elastic (Young's, Tensile) Modulus, GPa 70
44
Elongation at Break, % 1.1 to 28
2.6
Fatigue Strength, MPa 39 to 90
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 68 to 130
140
Tensile Strength: Ultimate (UTS), MPa 110 to 240
150
Tensile Strength: Yield (Proof), MPa 40 to 210
100

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 180
250
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 640
570
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 180
100
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
24
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.8
1.9
Embodied Carbon, kg CO2/kg material 8.1
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1180
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.95 to 63
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 300
120
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
61
Strength to Weight: Axial, points 11 to 24
22
Strength to Weight: Bending, points 18 to 30
33
Thermal Diffusivity, mm2/s 71
54
Thermal Shock Resistance, points 4.7 to 10
9.2

Alloy Composition

Aluminum (Al), % 96.8 to 99
0
Copper (Cu), % 0.050 to 0.2
0 to 0.1
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0
91.5 to 95
Manganese (Mn), % 1.0 to 1.5
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.6
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