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3003 Aluminum vs. ZE41A Magnesium

3003 aluminum belongs to the aluminum alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 31 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 3003 aluminum and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 28 to 65
63
Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 1.1 to 28
3.3
Fatigue Strength, MPa 39 to 90
98
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 68 to 130
150
Tensile Strength: Ultimate (UTS), MPa 110 to 240
210
Tensile Strength: Yield (Proof), MPa 40 to 210
140

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 180
150
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 640
540
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 180
110
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
27
Electrical Conductivity: Equal Weight (Specific), % IACS 140
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.8
1.9
Embodied Carbon, kg CO2/kg material 8.1
24
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1180
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.95 to 63
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 300
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
63
Strength to Weight: Axial, points 11 to 24
31
Strength to Weight: Bending, points 18 to 30
41
Thermal Diffusivity, mm2/s 71
59
Thermal Shock Resistance, points 4.7 to 10
12

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
91.7 to 95.4
Manganese (Mn), % 1.0 to 1.5
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.6
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 0.1
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3