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7108A Aluminum vs. 6101A Aluminum

Both 7108A aluminum and 6101A aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is 7108A aluminum and the bottom bar is 6101A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
68
Elongation at Break, % 11 to 13
11
Fatigue Strength, MPa 120 to 130
80
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 210
130
Tensile Strength: Ultimate (UTS), MPa 350
220
Tensile Strength: Yield (Proof), MPa 290 to 300
190

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 210
160
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 520
630
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 150
200
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
55
Electrical Conductivity: Equal Weight (Specific), % IACS 110
180

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
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 44
24
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 640
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
51
Strength to Weight: Axial, points 33 to 34
23
Strength to Weight: Bending, points 38
30
Thermal Diffusivity, mm2/s 59
84
Thermal Shock Resistance, points 15 to 16
10

Alloy Composition


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Aluminum (Al), % 91.6 to 94.4
97.9 to 99.3
Chromium (Cr), % 0 to 0.040
0
Copper (Cu), % 0 to 0.050
0 to 0.050
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0 to 0.4
Magnesium (Mg), % 0.7 to 1.5
0.4 to 0.9
Manganese (Mn), % 0 to 0.050
0
Silicon (Si), % 0 to 0.2
0.3 to 0.7
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 4.8 to 5.8
0
Zirconium (Zr), % 0.15 to 0.25
0
Residuals, % 0 to 0.15
0 to 0.1