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238.0 Aluminum vs. ISO-WD32350 Magnesium

238.0 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 (1, in this case) are not shown.

For each property being compared, the top bar is 238.0 aluminum and the bottom bar is ISO-WD32350 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
45
Elongation at Break, % 1.5
5.7 to 10
Fatigue Strength, MPa 110
120 to 130
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
18
Tensile Strength: Ultimate (UTS), MPa 210
250 to 290
Tensile Strength: Yield (Proof), MPa 170
140 to 180

Thermal Properties

Latent Heat of Fusion, J/g 430
340
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 600
600
Melting Onset (Solidus), °C 510
560
Specific Heat Capacity, J/kg-K 840
990
Thermal Conductivity, W/m-K 100
130
Thermal Expansion, µm/m-K 21
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
25
Electrical Conductivity: Equal Weight (Specific), % IACS 67
130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
12
Density, g/cm3 3.4
1.7
Embodied Carbon, kg CO2/kg material 7.4
23
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1040
960

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
14 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 180
210 to 380
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 42
68
Strength to Weight: Axial, points 17
39 to 46
Strength to Weight: Bending, points 23
50 to 55
Thermal Diffusivity, mm2/s 37
73
Thermal Shock Resistance, points 9.1
16 to 18

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0 to 0.1
Copper (Cu), % 9.5 to 10.5
0 to 0.1
Iron (Fe), % 1.0 to 1.5
0 to 0.060
Magnesium (Mg), % 0 to 0.25
95.7 to 97.7
Manganese (Mn), % 0
0.6 to 1.3
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 3.6 to 4.4
0 to 0.1
Zinc (Zn), % 1.0 to 1.5
1.8 to 2.3
Residuals, % 0
0 to 0.3