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7003 Aluminum vs. ZE63A Magnesium

7003 aluminum belongs to the aluminum alloys classification, while ZE63A 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 7003 aluminum and the bottom bar is ZE63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
46
Elongation at Break, % 11
7.7
Fatigue Strength, MPa 130 to 150
120
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 210 to 230
170
Tensile Strength: Ultimate (UTS), MPa 350 to 390
300
Tensile Strength: Yield (Proof), MPa 300 to 310
190

Thermal Properties

Latent Heat of Fusion, J/g 380
330
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 630
510
Melting Onset (Solidus), °C 510
390
Specific Heat Capacity, J/kg-K 870
950
Thermal Conductivity, W/m-K 150
110
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
31
Electrical Conductivity: Equal Weight (Specific), % IACS 110
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
22
Density, g/cm3 2.9
2.0
Embodied Carbon, kg CO2/kg material 8.1
24
Embodied Energy, MJ/kg 150
180
Embodied Water, L/kg 1140
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 41
20
Resilience: Unit (Modulus of Resilience), kJ/m3 630 to 710
400
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 47
58
Strength to Weight: Axial, points 33 to 37
40
Strength to Weight: Bending, points 37 to 40
48
Thermal Diffusivity, mm2/s 59
57
Thermal Shock Resistance, points 15 to 17
17

Alloy Composition

Aluminum (Al), % 90.6 to 94.5
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.2
0 to 0.1
Iron (Fe), % 0 to 0.35
0
Magnesium (Mg), % 0.5 to 1.0
89.6 to 92
Manganese (Mn), % 0 to 0.3
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.3
0
Titanium (Ti), % 0 to 0.2
0
Unspecified Rare Earths, % 0
2.1 to 3.0
Zinc (Zn), % 5.0 to 6.5
5.5 to 6.0
Zirconium (Zr), % 0.050 to 0.25
0.4 to 1.0
Residuals, % 0
0 to 0.3