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7108A Aluminum vs. 1100A Aluminum

Both 7108A aluminum and 1100A aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is 7108A aluminum and the bottom bar is 1100A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
69
Elongation at Break, % 11 to 13
4.5 to 34
Fatigue Strength, MPa 120 to 130
35 to 74
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 210
59 to 99
Tensile Strength: Ultimate (UTS), MPa 350
89 to 170
Tensile Strength: Yield (Proof), MPa 290 to 300
29 to 150

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 520
640
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 150
230
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
60
Electrical Conductivity: Equal Weight (Specific), % IACS 110
200

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
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 44
6.4 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 640
5.9 to 150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 33 to 34
9.1 to 17
Strength to Weight: Bending, points 38
16 to 25
Thermal Diffusivity, mm2/s 59
93
Thermal Shock Resistance, points 15 to 16
4.0 to 7.6

Alloy Composition


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Aluminum (Al), % 91.6 to 94.4
99 to 100
Chromium (Cr), % 0 to 0.040
0
Copper (Cu), % 0 to 0.050
0.050 to 0.2
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0 to 1.0
Magnesium (Mg), % 0.7 to 1.5
0 to 0.1
Manganese (Mn), % 0 to 0.050
0 to 0.050
Silicon (Si), % 0 to 0.2
0 to 1.0
Titanium (Ti), % 0 to 0.030
0 to 0.1
Zinc (Zn), % 4.8 to 5.8
0 to 0.1
Zirconium (Zr), % 0.15 to 0.25
0
Residuals, % 0 to 0.15
0 to 0.15