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EN AC-51500 Aluminum vs. ISO-WD32350 Magnesium

EN AC-51500 aluminum belongs to the aluminum alloys classification, while ISO-WD32350 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-WD32350 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 5.6
5.7 to 10
Fatigue Strength, MPa 120
120 to 130
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Tensile Strength: Ultimate (UTS), MPa 280
250 to 290
Tensile Strength: Yield (Proof), MPa 160
140 to 180

Thermal Properties

Latent Heat of Fusion, J/g 430
340
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 630
600
Melting Onset (Solidus), °C 590
560
Specific Heat Capacity, J/kg-K 910
990
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 23
25

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
12
Density, g/cm3 2.6
1.7
Embodied Carbon, kg CO2/kg material 9.0
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1150
960

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
14 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 190
210 to 380
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 52
68
Strength to Weight: Axial, points 29
39 to 46
Strength to Weight: Bending, points 36
50 to 55
Thermal Diffusivity, mm2/s 49
73
Thermal Shock Resistance, points 13
16 to 18

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
0 to 0.1
Copper (Cu), % 0 to 0.050
0 to 0.1
Iron (Fe), % 0 to 0.25
0 to 0.060
Magnesium (Mg), % 4.7 to 6.0
95.7 to 97.7
Manganese (Mn), % 0.4 to 0.8
0.6 to 1.3
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 1.8 to 2.6
0 to 0.1
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
1.8 to 2.3
Residuals, % 0
0 to 0.3