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7108A Aluminum vs. 6025 Aluminum

Both 7108A aluminum and 6025 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 7108A aluminum and the bottom bar is 6025 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 11 to 13
2.8 to 10
Fatigue Strength, MPa 120 to 130
67 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 210
110 to 140
Tensile Strength: Ultimate (UTS), MPa 350
190 to 240
Tensile Strength: Yield (Proof), MPa 290 to 300
68 to 210

Thermal Properties

Latent Heat of Fusion, J/g 380
410
Maximum Temperature: Mechanical, °C 210
160
Melting Completion (Liquidus), °C 630
650
Melting Onset (Solidus), °C 520
550
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
33
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.9
2.8
Embodied Carbon, kg CO2/kg material 8.3
8.5
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 44
6.0 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 640
33 to 310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 33 to 34
19 to 24
Strength to Weight: Bending, points 38
26 to 31
Thermal Diffusivity, mm2/s 59
54
Thermal Shock Resistance, points 15 to 16
8.2 to 10

Alloy Composition


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Aluminum (Al), % 91.6 to 94.4
91.7 to 96.3
Chromium (Cr), % 0 to 0.040
0 to 0.2
Copper (Cu), % 0 to 0.050
0.2 to 0.7
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0 to 0.7
Magnesium (Mg), % 0.7 to 1.5
2.1 to 3.0
Manganese (Mn), % 0 to 0.050
0.6 to 1.4
Silicon (Si), % 0 to 0.2
0.8 to 1.5
Titanium (Ti), % 0 to 0.030
0 to 0.2
Zinc (Zn), % 4.8 to 5.8
0 to 0.5
Zirconium (Zr), % 0.15 to 0.25
0
Residuals, % 0 to 0.15
0 to 0.15