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6110A Aluminum vs. 7108 Aluminum

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

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 11 to 18
11
Fatigue Strength, MPa 140 to 210
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 220 to 280
210
Tensile Strength: Ultimate (UTS), MPa 360 to 470
350
Tensile Strength: Yield (Proof), MPa 250 to 430
290

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
530
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 160
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
39
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
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 47 to 58
38
Resilience: Unit (Modulus of Resilience), kJ/m3 450 to 1300
620
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 36 to 47
34
Strength to Weight: Bending, points 41 to 48
38
Thermal Diffusivity, mm2/s 65
59
Thermal Shock Resistance, points 16 to 21
16

Alloy Composition

Aluminum (Al), % 94.8 to 98
92.4 to 94.7
Chromium (Cr), % 0.050 to 0.25
0
Copper (Cu), % 0.3 to 0.8
0 to 0.050
Iron (Fe), % 0 to 0.5
0 to 0.1
Magnesium (Mg), % 0.7 to 1.1
0.7 to 1.4
Manganese (Mn), % 0.3 to 0.9
0 to 0.050
Silicon (Si), % 0.7 to 1.1
0 to 0.1
Titanium (Ti), % 0 to 0.2
0 to 0.050
Zinc (Zn), % 0 to 0.2
4.5 to 5.5
Zirconium (Zr), % 0 to 0.2
0.12 to 0.25
Residuals, % 0
0 to 0.15