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6070 Aluminum vs. 7116 Aluminum

Both 6070 aluminum and 7116 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 6070 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, % 5.6 to 8.6
7.8
Fatigue Strength, MPa 95 to 130
160
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 220 to 240
220
Tensile Strength: Ultimate (UTS), MPa 370 to 380
370
Tensile Strength: Yield (Proof), MPa 350
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 570
520
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 160
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
46
Electrical Conductivity: Equal Weight (Specific), % IACS 140
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.3
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 32
28
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 900
790
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 38
35
Strength to Weight: Bending, points 42 to 43
39
Thermal Diffusivity, mm2/s 65
58
Thermal Shock Resistance, points 16 to 17
16

Alloy Composition

Aluminum (Al), % 94.6 to 98
91.5 to 94.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.15 to 0.4
0.5 to 1.1
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.5
0 to 0.3
Magnesium (Mg), % 0.5 to 1.2
0.8 to 1.4
Manganese (Mn), % 0.4 to 1.0
0 to 0.050
Silicon (Si), % 1.0 to 1.7
0 to 0.15
Titanium (Ti), % 0 to 0.15
0 to 0.050
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.25
4.2 to 5.2
Residuals, % 0
0 to 0.15