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710.0 Aluminum vs. AZ31C Magnesium

710.0 aluminum belongs to the aluminum alloys classification, while AZ31C magnesium belongs to the magnesium alloys. There are 30 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 710.0 aluminum and the bottom bar is AZ31C magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 2.2 to 3.6
12
Fatigue Strength, MPa 55 to 110
150
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 180
130
Tensile Strength: Ultimate (UTS), MPa 240 to 250
260
Tensile Strength: Yield (Proof), MPa 160
200

Thermal Properties

Latent Heat of Fusion, J/g 380
350
Maximum Temperature: Mechanical, °C 170
110
Melting Completion (Liquidus), °C 650
600
Melting Onset (Solidus), °C 610
550
Specific Heat Capacity, J/kg-K 870
990
Thermal Conductivity, W/m-K 140
130
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
19
Electrical Conductivity: Equal Weight (Specific), % IACS 110
98

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 3.0
1.7
Embodied Carbon, kg CO2/kg material 8.0
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1130
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.9 to 7.9
28
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 190
440
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 46
70
Strength to Weight: Axial, points 23
42
Strength to Weight: Bending, points 29
53
Thermal Diffusivity, mm2/s 53
74
Thermal Shock Resistance, points 10 to 11
16

Alloy Composition

Aluminum (Al), % 90.5 to 93.1
2.4 to 3.6
Copper (Cu), % 0.35 to 0.65
0 to 0.1
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 0.6 to 0.8
93.4 to 97
Manganese (Mn), % 0 to 0.050
0.15 to 1.0
Nickel (Ni), % 0
0 to 0.030
Silicon (Si), % 0 to 0.15
0 to 0.1
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 6.0 to 7.0
0.5 to 1.5
Residuals, % 0
0 to 0.3