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5182 Aluminum vs. ISO-WD32350 Magnesium

5182 aluminum belongs to the aluminum alloys classification, while ISO-WD32350 magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 5182 aluminum and the bottom bar is ISO-WD32350 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 1.1 to 12
5.7 to 10
Fatigue Strength, MPa 100 to 130
120 to 130
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
18
Shear Strength, MPa 170 to 240
150 to 170
Tensile Strength: Ultimate (UTS), MPa 280 to 420
250 to 290
Tensile Strength: Yield (Proof), MPa 130 to 360
140 to 180

Thermal Properties

Latent Heat of Fusion, J/g 390
340
Maximum Temperature: Mechanical, °C 180
95
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 590
560
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 24
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
25
Electrical Conductivity: Equal Weight (Specific), % IACS 94
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 8.9
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
960

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 49
14 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 950
210 to 380
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 51
68
Strength to Weight: Axial, points 29 to 44
39 to 46
Strength to Weight: Bending, points 36 to 47
50 to 55
Thermal Diffusivity, mm2/s 53
73
Thermal Shock Resistance, points 12 to 19
16 to 18

Alloy Composition

Aluminum (Al), % 93.2 to 95.8
0 to 0.1
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.15
0 to 0.1
Iron (Fe), % 0 to 0.35
0 to 0.060
Magnesium (Mg), % 4.0 to 5.0
95.7 to 97.7
Manganese (Mn), % 0.2 to 0.5
0.6 to 1.3
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.2
0 to 0.1
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
1.8 to 2.3
Residuals, % 0
0 to 0.3

Comparable Variants