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AZ80A-T6 Magnesium vs. C355.0-T6 Aluminum

AZ80A-T6 magnesium belongs to the magnesium alloys classification, while C355.0-T6 aluminum belongs to the aluminum 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 AZ80A-T6 magnesium and the bottom bar is C355.0-T6 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
70
Elongation at Break, % 8.5
3.8
Fatigue Strength, MPa 140
84
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 170
190
Tensile Strength: Ultimate (UTS), MPa 320
290
Tensile Strength: Yield (Proof), MPa 230
200

Thermal Properties

Latent Heat of Fusion, J/g 350
470
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 600
620
Melting Onset (Solidus), °C 490
570
Specific Heat Capacity, J/kg-K 990
900
Thermal Conductivity, W/m-K 77
150
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
39
Electrical Conductivity: Equal Weight (Specific), % IACS 59
130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.7
Embodied Carbon, kg CO2/kg material 23
8.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
9.8
Resilience: Unit (Modulus of Resilience), kJ/m3 550
290
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 69
51
Strength to Weight: Axial, points 51
30
Strength to Weight: Bending, points 60
36
Thermal Diffusivity, mm2/s 45
60
Thermal Shock Resistance, points 19
13

Alloy Composition

Aluminum (Al), % 7.8 to 9.2
91.7 to 94.1
Copper (Cu), % 0 to 0.050
1.0 to 1.5
Iron (Fe), % 0 to 0.0050
0 to 0.2
Magnesium (Mg), % 89 to 91.9
0.4 to 0.6
Manganese (Mn), % 0.12 to 0.5
0 to 0.1
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
4.5 to 5.5
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0.2 to 0.8
0 to 0.1
Residuals, % 0
0 to 0.15