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B390.0 Aluminum vs. ISO-WD32350 Magnesium

B390.0 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 B390.0 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, % 0.88
5.7 to 10
Fatigue Strength, MPa 170
120 to 130
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 29
18
Tensile Strength: Ultimate (UTS), MPa 320
250 to 290
Tensile Strength: Yield (Proof), MPa 250
140 to 180

Thermal Properties

Latent Heat of Fusion, J/g 640
340
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 580
600
Melting Onset (Solidus), °C 580
560
Specific Heat Capacity, J/kg-K 880
990
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 20
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
25
Electrical Conductivity: Equal Weight (Specific), % IACS 88
130

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 2.8
1.7
Embodied Carbon, kg CO2/kg material 7.3
23
Embodied Energy, MJ/kg 130
160
Embodied Water, L/kg 940
960

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
14 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 410
210 to 380
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 51
68
Strength to Weight: Axial, points 32
39 to 46
Strength to Weight: Bending, points 38
50 to 55
Thermal Diffusivity, mm2/s 55
73
Thermal Shock Resistance, points 15
16 to 18

Alloy Composition

Aluminum (Al), % 72.7 to 79.6
0 to 0.1
Copper (Cu), % 4.0 to 5.0
0 to 0.1
Iron (Fe), % 0 to 1.3
0 to 0.060
Magnesium (Mg), % 0.45 to 0.65
95.7 to 97.7
Manganese (Mn), % 0 to 0.5
0.6 to 1.3
Nickel (Ni), % 0 to 0.1
0 to 0.0050
Silicon (Si), % 16 to 18
0 to 0.1
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 1.5
1.8 to 2.3
Residuals, % 0
0 to 0.3