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7108A Aluminum vs. 5050 Aluminum

Both 7108A aluminum and 5050 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common. 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 7108A aluminum and the bottom bar is 5050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
68
Elongation at Break, % 11 to 13
1.7 to 22
Fatigue Strength, MPa 120 to 130
45 to 100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 210
91 to 140
Tensile Strength: Ultimate (UTS), MPa 350
140 to 250
Tensile Strength: Yield (Proof), MPa 290 to 300
50 to 210

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 210
180
Melting Completion (Liquidus), °C 630
650
Melting Onset (Solidus), °C 520
630
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 150
190
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
50
Electrical Conductivity: Equal Weight (Specific), % IACS 110
170

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.9
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 44
4.1 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 640
18 to 330
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 33 to 34
15 to 26
Strength to Weight: Bending, points 38
22 to 33
Thermal Diffusivity, mm2/s 59
79
Thermal Shock Resistance, points 15 to 16
6.3 to 11

Alloy Composition


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Aluminum (Al), % 91.6 to 94.4
96.3 to 98.9
Chromium (Cr), % 0 to 0.040
0 to 0.1
Copper (Cu), % 0 to 0.050
0 to 0.2
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0 to 0.7
Magnesium (Mg), % 0.7 to 1.5
1.1 to 1.8
Manganese (Mn), % 0 to 0.050
0 to 0.1
Silicon (Si), % 0 to 0.2
0 to 0.4
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 4.8 to 5.8
0 to 0.25
Zirconium (Zr), % 0.15 to 0.25
0
Residuals, % 0 to 0.15
0 to 0.15