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5657 Aluminum vs. ISO-WD32260 Magnesium

5657 aluminum belongs to the aluminum alloys classification, while ISO-WD32260 magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 5657 aluminum and the bottom bar is ISO-WD32260 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
46
Elongation at Break, % 6.6 to 15
4.5 to 6.0
Fatigue Strength, MPa 74 to 88
150 to 190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 92 to 110
190 to 200
Tensile Strength: Ultimate (UTS), MPa 150 to 200
330 to 340
Tensile Strength: Yield (Proof), MPa 140 to 170
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 660
600
Melting Onset (Solidus), °C 640
520
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 210
110
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
28
Electrical Conductivity: Equal Weight (Specific), % IACS 180
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.4
23
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 1200
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.7 to 27
14 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 200
560 to 700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
63
Strength to Weight: Axial, points 15 to 20
48 to 51
Strength to Weight: Bending, points 23 to 28
56 to 58
Thermal Diffusivity, mm2/s 84
63
Thermal Shock Resistance, points 6.7 to 8.6
19 to 20

Alloy Composition

Aluminum (Al), % 98.5 to 99.4
0
Copper (Cu), % 0 to 0.1
0
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.1
0
Magnesium (Mg), % 0.6 to 1.0
92.7 to 94.8
Manganese (Mn), % 0 to 0.030
0
Silicon (Si), % 0 to 0.080
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 0.8
Residuals, % 0
0 to 0.3