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AZ92A Magnesium vs. 850.0 Aluminum

AZ92A magnesium belongs to the magnesium alloys classification, while 850.0 aluminum belongs to the aluminum 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 AZ92A magnesium and the bottom bar is 850.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
69
Elongation at Break, % 2.1 to 6.8
7.9
Fatigue Strength, MPa 76 to 90
59
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 97 to 160
100
Tensile Strength: Ultimate (UTS), MPa 170 to 270
140
Tensile Strength: Yield (Proof), MPa 83 to 140
76

Thermal Properties

Latent Heat of Fusion, J/g 350
380
Maximum Temperature: Mechanical, °C 130
190
Melting Completion (Liquidus), °C 590
650
Melting Onset (Solidus), °C 440
370
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.3
Specific Heat Capacity, J/kg-K 980
850
Thermal Conductivity, W/m-K 44 to 58
180
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11 to 12
47
Electrical Conductivity: Equal Weight (Specific), % IACS 53 to 62
140

Otherwise Unclassified Properties

Base Metal Price, % relative 12
14
Density, g/cm3 1.8
3.1
Embodied Carbon, kg CO2/kg material 22
8.5
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 980
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.0 to 14
9.1
Resilience: Unit (Modulus of Resilience), kJ/m3 73 to 220
42
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 67
44
Strength to Weight: Axial, points 26 to 41
12
Strength to Weight: Bending, points 38 to 51
19
Thermal Diffusivity, mm2/s 25 to 33
69
Thermal Shock Resistance, points 10 to 16
6.1

Alloy Composition

Aluminum (Al), % 8.3 to 9.7
88.3 to 93.1
Copper (Cu), % 0 to 0.25
0.7 to 1.3
Iron (Fe), % 0
0 to 0.7
Magnesium (Mg), % 86.7 to 90
0 to 0.1
Manganese (Mn), % 0.1 to 0.35
0 to 0.1
Nickel (Ni), % 0 to 0.010
0.7 to 1.3
Silicon (Si), % 0 to 0.3
0 to 0.7
Tin (Sn), % 0
5.5 to 7.0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 1.6 to 2.4
0
Residuals, % 0
0 to 0.3