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AZ91A Magnesium vs. 1350 Aluminum

AZ91A magnesium belongs to the magnesium alloys classification, while 1350 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AZ91A magnesium and the bottom bar is 1350 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
20 to 45
Elastic (Young's, Tensile) Modulus, GPa 46
68
Elongation at Break, % 5.0
1.4 to 30
Fatigue Strength, MPa 99
24 to 50
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 140
44 to 110
Tensile Strength: Ultimate (UTS), MPa 240
68 to 190
Tensile Strength: Yield (Proof), MPa 160
25 to 170

Thermal Properties

Latent Heat of Fusion, J/g 360
400
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 600
660
Melting Onset (Solidus), °C 470
650
Specific Heat Capacity, J/kg-K 990
900
Thermal Conductivity, W/m-K 73
230
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
61 to 62
Electrical Conductivity: Equal Weight (Specific), % IACS 52
200 to 210

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.7
Embodied Carbon, kg CO2/kg material 22
8.3
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 990
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
0.77 to 54
Resilience: Unit (Modulus of Resilience), kJ/m3 280
4.4 to 200
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 69
50
Strength to Weight: Axial, points 38
7.0 to 19
Strength to Weight: Bending, points 49
14 to 27
Thermal Diffusivity, mm2/s 42
96
Thermal Shock Resistance, points 14
3.0 to 8.2

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
99.5 to 100
Boron (B), % 0
0 to 0.050
Chromium (Cr), % 0
0 to 0.010
Copper (Cu), % 0 to 0.1
0 to 0.050
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0
0 to 0.4
Magnesium (Mg), % 88.2 to 91.2
0
Manganese (Mn), % 0.13 to 0.5
0 to 0.010
Nickel (Ni), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0 to 0.1
Titanium (Ti), % 0
0 to 0.020
Vanadium (V), % 0
0 to 0.020
Zinc (Zn), % 0.35 to 1.0
0 to 0.050
Residuals, % 0
0 to 0.1