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5182 Aluminum vs. ISO-WD32260 Magnesium

5182 aluminum belongs to the aluminum alloys classification, while ISO-WD32260 magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 5182 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, % 1.1 to 12
4.5 to 6.0
Fatigue Strength, MPa 100 to 130
150 to 190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
18
Shear Strength, MPa 170 to 240
190 to 200
Tensile Strength: Ultimate (UTS), MPa 280 to 420
330 to 340
Tensile Strength: Yield (Proof), MPa 130 to 360
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 390
330
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 590
520
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
28
Electrical Conductivity: Equal Weight (Specific), % IACS 94
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.9
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 49
14 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 950
560 to 700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
63
Strength to Weight: Axial, points 29 to 44
48 to 51
Strength to Weight: Bending, points 36 to 47
56 to 58
Thermal Diffusivity, mm2/s 53
63
Thermal Shock Resistance, points 12 to 19
19 to 20

Alloy Composition

Aluminum (Al), % 93.2 to 95.8
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 0 to 0.35
0
Magnesium (Mg), % 4.0 to 5.0
92.7 to 94.8
Manganese (Mn), % 0.2 to 0.5
0
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 0.8
Residuals, % 0
0 to 0.3