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771.0 Aluminum vs. AZ92A Magnesium

771.0 aluminum belongs to the aluminum alloys classification, while AZ92A 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 771.0 aluminum and the bottom bar is AZ92A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
47
Elongation at Break, % 1.7 to 6.5
2.1 to 6.8
Fatigue Strength, MPa 92 to 180
76 to 90
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
18
Tensile Strength: Ultimate (UTS), MPa 250 to 370
170 to 270
Tensile Strength: Yield (Proof), MPa 210 to 350
83 to 140

Thermal Properties

Latent Heat of Fusion, J/g 380
350
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 630
590
Melting Onset (Solidus), °C 620
440
Solidification (Pattern Maker's) Shrinkage, % 1.6
1.3
Specific Heat Capacity, J/kg-K 870
980
Thermal Conductivity, W/m-K 140 to 150
44 to 58
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
11 to 12
Electrical Conductivity: Equal Weight (Specific), % IACS 82
53 to 62

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 3.0
1.8
Embodied Carbon, kg CO2/kg material 8.0
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1130
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4 to 20
4.0 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 900
73 to 220
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
67
Strength to Weight: Axial, points 23 to 35
26 to 41
Strength to Weight: Bending, points 29 to 39
38 to 51
Thermal Diffusivity, mm2/s 54 to 58
25 to 33
Thermal Shock Resistance, points 11 to 16
10 to 16

Alloy Composition

Aluminum (Al), % 90.5 to 92.5
8.3 to 9.7
Chromium (Cr), % 0.060 to 0.2
0
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 0 to 0.15
0
Magnesium (Mg), % 0.8 to 1.0
86.7 to 90
Manganese (Mn), % 0 to 0.1
0.1 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.15
0 to 0.3
Titanium (Ti), % 0.1 to 0.2
0
Zinc (Zn), % 6.5 to 7.5
1.6 to 2.4
Residuals, % 0
0 to 0.3

Comparable Variants