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5070 Aluminum vs. 7116 Aluminum

Both 5070 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 5070 aluminum and the bottom bar is 7116 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 20
7.8
Fatigue Strength, MPa 150
160
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 190
220
Tensile Strength: Ultimate (UTS), MPa 300
370
Tensile Strength: Yield (Proof), MPa 140
330

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 640
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 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
46
Electrical Conductivity: Equal Weight (Specific), % IACS 100
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 8.8
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
28
Resilience: Unit (Modulus of Resilience), kJ/m3 150
790
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 31
35
Strength to Weight: Bending, points 37
39
Thermal Diffusivity, mm2/s 53
58
Thermal Shock Resistance, points 14
16

Alloy Composition

Aluminum (Al), % 92.4 to 95.7
91.5 to 94.5
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.25
0.5 to 1.1
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.4
0 to 0.3
Magnesium (Mg), % 3.5 to 4.5
0.8 to 1.4
Manganese (Mn), % 0.4 to 0.8
0 to 0.050
Silicon (Si), % 0 to 0.25
0 to 0.15
Titanium (Ti), % 0 to 0.15
0 to 0.050
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0.4 to 0.8
4.2 to 5.2
Residuals, % 0 to 0.15
0 to 0.15