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336.0 Aluminum vs. AZ31C Magnesium

336.0 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 (1, in this case) are not shown.

For each property being compared, the top bar is 336.0 aluminum and the bottom bar is AZ31C magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
45
Elongation at Break, % 0.5
12
Fatigue Strength, MPa 80 to 93
150
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
17
Shear Strength, MPa 190 to 250
130
Tensile Strength: Ultimate (UTS), MPa 250 to 320
260
Tensile Strength: Yield (Proof), MPa 190 to 300
200

Thermal Properties

Latent Heat of Fusion, J/g 570
350
Maximum Temperature: Mechanical, °C 210
110
Melting Completion (Liquidus), °C 570
600
Melting Onset (Solidus), °C 540
550
Specific Heat Capacity, J/kg-K 890
990
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 19
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
19
Electrical Conductivity: Equal Weight (Specific), % IACS 95
98

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 2.8
1.7
Embodied Carbon, kg CO2/kg material 7.9
23
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1010
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.1 to 1.6
28
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 580
440
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 51
70
Strength to Weight: Axial, points 25 to 32
42
Strength to Weight: Bending, points 32 to 38
53
Thermal Diffusivity, mm2/s 48
74
Thermal Shock Resistance, points 12 to 16
16

Alloy Composition

Aluminum (Al), % 79.1 to 85.8
2.4 to 3.6
Copper (Cu), % 0.5 to 1.5
0 to 0.1
Iron (Fe), % 0 to 1.2
0
Magnesium (Mg), % 0.7 to 1.3
93.4 to 97
Manganese (Mn), % 0 to 0.35
0.15 to 1.0
Nickel (Ni), % 2.0 to 3.0
0 to 0.030
Silicon (Si), % 11 to 13
0 to 0.1
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0.5 to 1.5
Residuals, % 0
0 to 0.3