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6110A-T6 Aluminum vs. 7108A-T6 Aluminum

Both 6110A-T6 aluminum and 7108A-T6 aluminum are aluminum alloys. Both are furnished in the T6 temper. They have a moderately high 95% of their average alloy composition in common.

For each property being compared, the top bar is 6110A-T6 aluminum and the bottom bar is 7108A-T6 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 11
13
Fatigue Strength, MPa 180
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 280
210
Tensile Strength: Ultimate (UTS), MPa 470
350
Tensile Strength: Yield (Proof), MPa 430
300

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 190
210
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 600
520
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 160
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
36
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.8
2.9
Embodied Carbon, kg CO2/kg material 8.4
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
44
Resilience: Unit (Modulus of Resilience), kJ/m3 1300
640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 47
33
Strength to Weight: Bending, points 48
38
Thermal Diffusivity, mm2/s 65
59
Thermal Shock Resistance, points 21
15

Alloy Composition


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Aluminum (Al), % 94.8 to 98
91.6 to 94.4
Chromium (Cr), % 0.050 to 0.25
0 to 0.040
Copper (Cu), % 0.3 to 0.8
0 to 0.050
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.5
0 to 0.3
Magnesium (Mg), % 0.7 to 1.1
0.7 to 1.5
Manganese (Mn), % 0.3 to 0.9
0 to 0.050
Silicon (Si), % 0.7 to 1.1
0 to 0.2
Titanium (Ti), % 0 to 0.2
0 to 0.030
Zinc (Zn), % 0 to 0.2
4.8 to 5.8
Zirconium (Zr), % 0 to 0.2
0.15 to 0.25
Residuals, % 0 to 0.15
0 to 0.15