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EN AC-51500 Aluminum vs. ISO-WD32250 Magnesium

EN AC-51500 aluminum belongs to the aluminum alloys classification, while ISO-WD32250 magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN AC-51500 aluminum and the bottom bar is ISO-WD32250 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 5.6
4.5 to 8.6
Fatigue Strength, MPa 120
170 to 210
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Tensile Strength: Ultimate (UTS), MPa 280
310 to 330
Tensile Strength: Yield (Proof), MPa 160
240 to 290

Thermal Properties

Latent Heat of Fusion, J/g 430
340
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 630
600
Melting Onset (Solidus), °C 590
550
Specific Heat Capacity, J/kg-K 910
980
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
25
Electrical Conductivity: Equal Weight (Specific), % IACS 88
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.6
1.8
Embodied Carbon, kg CO2/kg material 9.0
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1150
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
14 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 190
630 to 930
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 52
67
Strength to Weight: Axial, points 29
49 to 51
Strength to Weight: Bending, points 36
58 to 60
Thermal Diffusivity, mm2/s 49
72
Thermal Shock Resistance, points 13
19 to 20

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
0
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.25
0
Magnesium (Mg), % 4.7 to 6.0
94.9 to 97.1
Manganese (Mn), % 0.4 to 0.8
0
Silicon (Si), % 1.8 to 2.6
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
2.5 to 4.0
Zirconium (Zr), % 0
0.45 to 0.8
Residuals, % 0
0 to 0.3