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2025 Aluminum vs. 6106 Aluminum

Both 2025 aluminum and 6106 aluminum are aluminum alloys. Both are furnished in the T6 temper. They have a moderately high 94% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 2025 aluminum and the bottom bar is 6106 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
69
Elongation at Break, % 15
9.1
Fatigue Strength, MPa 130
88
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 240
170
Tensile Strength: Ultimate (UTS), MPa 400
290
Tensile Strength: Yield (Proof), MPa 260
220

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 640
660
Melting Onset (Solidus), °C 520
610
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 150
190
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
49
Electrical Conductivity: Equal Weight (Specific), % IACS 120
160

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 3.0
2.7
Embodied Carbon, kg CO2/kg material 7.9
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55
24
Resilience: Unit (Modulus of Resilience), kJ/m3 450
370
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
50
Strength to Weight: Axial, points 37
29
Strength to Weight: Bending, points 40
35
Thermal Diffusivity, mm2/s 58
78
Thermal Shock Resistance, points 18
13

Alloy Composition

Aluminum (Al), % 90.9 to 95.2
97.2 to 99.3
Chromium (Cr), % 0 to 0.1
0 to 0.2
Copper (Cu), % 3.9 to 5.0
0 to 0.25
Iron (Fe), % 0 to 1.0
0 to 0.35
Magnesium (Mg), % 0 to 0.050
0.4 to 0.8
Manganese (Mn), % 0.4 to 1.2
0.050 to 0.2
Silicon (Si), % 0.5 to 1.2
0.3 to 0.6
Titanium (Ti), % 0 to 0.15
0 to 0.1
Zinc (Zn), % 0 to 0.25
0 to 0.15
Residuals, % 0
0 to 0.15