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6106 Aluminum vs. 7075 Aluminum

Both 6106 aluminum and 7075 aluminum are aluminum alloys. They have a moderately high 91% 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 6106 aluminum and the bottom bar is 7075 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 9.1
1.8 to 12
Fatigue Strength, MPa 88
110 to 190
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 170
150 to 340
Tensile Strength: Ultimate (UTS), MPa 290
240 to 590
Tensile Strength: Yield (Proof), MPa 220
120 to 510

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 610
480
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 190
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
33
Electrical Conductivity: Equal Weight (Specific), % IACS 160
98

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.3
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
7.8 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 370
110 to 1870
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 29
22 to 54
Strength to Weight: Bending, points 35
28 to 52
Thermal Diffusivity, mm2/s 78
50
Thermal Shock Resistance, points 13
10 to 25

Alloy Composition

Aluminum (Al), % 97.2 to 99.3
86.9 to 91.4
Chromium (Cr), % 0 to 0.2
0.18 to 0.28
Copper (Cu), % 0 to 0.25
1.2 to 2.0
Iron (Fe), % 0 to 0.35
0 to 0.5
Magnesium (Mg), % 0.4 to 0.8
2.1 to 2.9
Manganese (Mn), % 0.050 to 0.2
0 to 0.3
Silicon (Si), % 0.3 to 0.6
0 to 0.4
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 0 to 0.15
5.1 to 6.1
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15