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850.0 Aluminum vs. AZ63A Magnesium

850.0 aluminum belongs to the aluminum alloys classification, while AZ63A 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 850.0 aluminum and the bottom bar is AZ63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
46
Elongation at Break, % 7.9
2.2 to 8.0
Fatigue Strength, MPa 59
76 to 83
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 100
110 to 160
Tensile Strength: Ultimate (UTS), MPa 140
190 to 270
Tensile Strength: Yield (Proof), MPa 76
81 to 120

Thermal Properties

Latent Heat of Fusion, J/g 380
350
Maximum Temperature: Mechanical, °C 190
120
Melting Completion (Liquidus), °C 650
610
Melting Onset (Solidus), °C 370
450
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.3
Specific Heat Capacity, J/kg-K 850
980
Thermal Conductivity, W/m-K 180
52 to 65
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
12 to 15
Electrical Conductivity: Equal Weight (Specific), % IACS 140
59 to 74

Otherwise Unclassified Properties

Base Metal Price, % relative 14
12
Density, g/cm3 3.1
1.8
Embodied Carbon, kg CO2/kg material 8.5
22
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1160
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1
3.7 to 16
Resilience: Unit (Modulus of Resilience), kJ/m3 42
71 to 160
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 44
66
Strength to Weight: Axial, points 12
29 to 41
Strength to Weight: Bending, points 19
40 to 51
Thermal Diffusivity, mm2/s 69
29 to 37
Thermal Shock Resistance, points 6.1
11 to 16

Alloy Composition

Aluminum (Al), % 88.3 to 93.1
5.3 to 6.7
Copper (Cu), % 0.7 to 1.3
0 to 0.25
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0 to 0.1
88.6 to 92.1
Manganese (Mn), % 0 to 0.1
0.15 to 0.35
Nickel (Ni), % 0.7 to 1.3
0 to 0.010
Silicon (Si), % 0 to 0.7
0 to 0.3
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0
2.5 to 3.5
Residuals, % 0
0 to 0.3