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6005 Aluminum vs. AZ31C Magnesium

6005 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 6005 aluminum and the bottom bar is AZ31C magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 9.5 to 17
12
Fatigue Strength, MPa 55 to 95
150
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 120 to 210
130
Tensile Strength: Ultimate (UTS), MPa 190 to 310
260
Tensile Strength: Yield (Proof), MPa 100 to 280
200

Thermal Properties

Latent Heat of Fusion, J/g 410
350
Maximum Temperature: Mechanical, °C 160
110
Melting Completion (Liquidus), °C 650
600
Melting Onset (Solidus), °C 610
550
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 180 to 200
130
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
19
Electrical Conductivity: Equal Weight (Specific), % IACS 180
98

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 8.3
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 36
28
Resilience: Unit (Modulus of Resilience), kJ/m3 77 to 550
440
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 51
70
Strength to Weight: Axial, points 20 to 32
42
Strength to Weight: Bending, points 28 to 38
53
Thermal Diffusivity, mm2/s 74 to 83
74
Thermal Shock Resistance, points 8.6 to 14
16

Alloy Composition

Aluminum (Al), % 97.5 to 99
2.4 to 3.6
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.35
0
Magnesium (Mg), % 0.4 to 0.6
93.4 to 97
Manganese (Mn), % 0 to 0.1
0.15 to 1.0
Nickel (Ni), % 0
0 to 0.030
Silicon (Si), % 0.6 to 0.9
0 to 0.1
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0.5 to 1.5
Residuals, % 0
0 to 0.3