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A357.0 Aluminum vs. ISO-WD32250 Magnesium

A357.0 aluminum belongs to the aluminum alloys classification, while ISO-WD32250 magnesium belongs to the magnesium alloys. There are 30 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 A357.0 aluminum and the bottom bar is ISO-WD32250 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 3.7
4.5 to 8.6
Fatigue Strength, MPa 100
170 to 210
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 240
180 to 190
Tensile Strength: Ultimate (UTS), MPa 350
310 to 330
Tensile Strength: Yield (Proof), MPa 270
240 to 290

Thermal Properties

Latent Heat of Fusion, J/g 500
340
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 610
600
Melting Onset (Solidus), °C 560
550
Specific Heat Capacity, J/kg-K 900
980
Thermal Conductivity, W/m-K 160
130
Thermal Expansion, µm/m-K 21
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
25
Electrical Conductivity: Equal Weight (Specific), % IACS 140
130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
13
Density, g/cm3 2.6
1.8
Embodied Carbon, kg CO2/kg material 8.2
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1110
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
14 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 520
630 to 930
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
67
Strength to Weight: Axial, points 38
49 to 51
Strength to Weight: Bending, points 43
58 to 60
Thermal Diffusivity, mm2/s 68
72
Thermal Shock Resistance, points 17
19 to 20

Alloy Composition

Aluminum (Al), % 90.8 to 93
0
Beryllium (Be), % 0.040 to 0.070
0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.2
0
Magnesium (Mg), % 0.4 to 0.7
94.9 to 97.1
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 6.5 to 7.5
0
Titanium (Ti), % 0.040 to 0.2
0
Zinc (Zn), % 0 to 0.1
2.5 to 4.0
Zirconium (Zr), % 0
0.45 to 0.8
Residuals, % 0
0 to 0.3