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712.0 Aluminum vs. AZ92A Magnesium

712.0 aluminum belongs to the aluminum alloys classification, while AZ92A 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 712.0 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, % 4.5 to 4.7
2.1 to 6.8
Fatigue Strength, MPa 140 to 180
76 to 90
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 180
97 to 160
Tensile Strength: Ultimate (UTS), MPa 250 to 260
170 to 270
Tensile Strength: Yield (Proof), MPa 180 to 200
83 to 140

Thermal Properties

Latent Heat of Fusion, J/g 380
350
Maximum Temperature: Mechanical, °C 190
130
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 610
440
Solidification (Pattern Maker's) Shrinkage, % 1.6
1.3
Specific Heat Capacity, J/kg-K 870
980
Thermal Conductivity, W/m-K 160
44 to 58
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
11 to 12
Electrical Conductivity: Equal Weight (Specific), % IACS 120
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 1140
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
4.0 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 270
73 to 220
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
67
Strength to Weight: Axial, points 24 to 25
26 to 41
Strength to Weight: Bending, points 30 to 31
38 to 51
Thermal Diffusivity, mm2/s 62
25 to 33
Thermal Shock Resistance, points 11
10 to 16

Alloy Composition

Aluminum (Al), % 90.7 to 94
8.3 to 9.7
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 0.5 to 0.65
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 0.3
0 to 0.3
Titanium (Ti), % 0.15 to 0.25
0
Zinc (Zn), % 5.0 to 6.5
1.6 to 2.4
Residuals, % 0
0 to 0.3

Comparable Variants