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319.0-T6 Aluminum vs. AZ63A-T6 Magnesium

319.0-T6 aluminum belongs to the aluminum alloys classification, while AZ63A-T6 magnesium belongs to the magnesium alloys. There are 31 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 319.0-T6 aluminum and the bottom bar is AZ63A-T6 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
46
Elongation at Break, % 1.8
3.8
Fatigue Strength, MPa 80
76
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 210
150
Tensile Strength: Ultimate (UTS), MPa 240
260
Tensile Strength: Yield (Proof), MPa 160
120

Thermal Properties

Latent Heat of Fusion, J/g 480
350
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 600
610
Melting Onset (Solidus), °C 540
450
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.3
Specific Heat Capacity, J/kg-K 880
980
Thermal Conductivity, W/m-K 110
61
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
12
Electrical Conductivity: Equal Weight (Specific), % IACS 84
59

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.9
1.8
Embodied Carbon, kg CO2/kg material 7.7
22
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1080
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.9
8.1
Resilience: Unit (Modulus of Resilience), kJ/m3 180
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
66
Strength to Weight: Axial, points 24
39
Strength to Weight: Bending, points 30
49
Thermal Diffusivity, mm2/s 44
34
Thermal Shock Resistance, points 11
15

Alloy Composition

Aluminum (Al), % 85.8 to 91.5
5.3 to 6.7
Copper (Cu), % 3.0 to 4.0
0 to 0.25
Iron (Fe), % 0 to 1.0
0
Magnesium (Mg), % 0 to 0.1
88.6 to 92.1
Manganese (Mn), % 0 to 0.5
0.15 to 0.35
Nickel (Ni), % 0 to 0.35
0 to 0.010
Silicon (Si), % 5.5 to 6.5
0 to 0.3
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.0
2.5 to 3.5
Residuals, % 0
0 to 0.3