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6025 Aluminum vs. 7116 Aluminum

Both 6025 aluminum and 7116 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common.

For each property being compared, the top bar is 6025 aluminum and the bottom bar is 7116 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 2.8 to 10
7.8
Fatigue Strength, MPa 67 to 110
160
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 110 to 140
220
Tensile Strength: Ultimate (UTS), MPa 190 to 240
370
Tensile Strength: Yield (Proof), MPa 68 to 210
330

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 550
520
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
46
Electrical Conductivity: Equal Weight (Specific), % IACS 110
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.8
2.9
Embodied Carbon, kg CO2/kg material 8.5
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1160
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.0 to 15
28
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 310
790
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 19 to 24
35
Strength to Weight: Bending, points 26 to 31
39
Thermal Diffusivity, mm2/s 54
58
Thermal Shock Resistance, points 8.2 to 10
16

Alloy Composition

Aluminum (Al), % 91.7 to 96.3
91.5 to 94.5
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0.2 to 0.7
0.5 to 1.1
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.7
0 to 0.3
Magnesium (Mg), % 2.1 to 3.0
0.8 to 1.4
Manganese (Mn), % 0.6 to 1.4
0 to 0.050
Silicon (Si), % 0.8 to 1.5
0 to 0.15
Titanium (Ti), % 0 to 0.2
0 to 0.050
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.5
4.2 to 5.2
Residuals, % 0
0 to 0.15